Weather for Allentown, Pennsylvania
Current Weather
Humidity: 82%
Heat Index: 25.8°F
Feels Like: 17°F
Wind: ESE 5 mph
Wind Gusts: 17 mph
Wind Chill: 17°F
Dew Point: 17°F
Chance of Precipitation: 86%
Precipitation: 0.03 in
Cloud Cover: 100%
Visibility: 2 mi
UV Index: 0
Five Day Weather Forecast
Fri
H: 33°F
L: 23°F
Sat
H: 32°F
L: 18°F
Sun
H: 33°F
L: 21°F
Mon
H: 40°F
L: 26°F
Tue
H: 30°F
L: 22°F
Air Quality
Nitrogen Dioxide: 41.45 μg/m3
Sulphur Dioxide: 4.95 μg/m3
Ozone: 27 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 4:41 PM
Daylight: 9 hrs 17 mins
Moon Transit: 12:00 AM
Moonset: 11:29 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM6:24 AM - 8:54 AM
Minor Periods
12:00 AM - 12:00 AM10:46 AM - 12:16 AM
Action Rating: 2 out of 5
Winter Weather Advisory issued December 26 at 1:16AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:16 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations between 1 and 3 inches and ice accumulations around a light glaze. * WHERE...Portions of east central, northeast, and southeast Pennsylvania. * WHEN...From 1 PM this afternoon to 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 1:25PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:25 PM
Expires: Sat December 27, 2025, 4:00 AM
* WHAT...Mixed precipitation. Snow and sleet accumulations between 1 and 3 inches over the lower Lehigh Valley and Delaware Valley and 2 to 4 inches in the northern Lehigh Valley. Ice accumulations up to one tenth of an inch. * WHERE...Portions of east central, northeast, and southeast Pennsylvania. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 6:15PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 6:15 PM
Expires: Sat December 27, 2025, 7:15 AM
* WHAT...Mixed precipitation. Total snow and sleet accumulations up to one inch and ice accumulations up to one tenth of an inch. * WHERE...Portions of east central, northeast, and southeast Pennsylvania. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 1:16AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:16 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations between 2 and 4 inches and ice accumulations around a light glaze. * WHERE...Mercer and Hunterdon Counties. * WHEN...From 3 PM this afternoon to 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 1:25PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:25 PM
Expires: Sat December 27, 2025, 4:00 AM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations between 3 and 5 inches and ice accumulations around a light glaze. * WHERE...Mercer and Hunterdon Counties. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 6:15PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 6:15 PM
Expires: Sat December 27, 2025, 7:15 AM
* WHAT...Mixed precipitation. Total snow and sleet accumulations up to two inches and ice accumulations up to one tenth of an inch. * WHERE...Mercer and Hunterdon Counties. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued December 26 at 1:16AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:16 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Heavy snow expected. Total snow and sleet accumulations between 4 and 6 inches and ice accumulations around a light glaze. * WHERE...In New Jersey, Warren County. In Pennsylvania, Monroe County. * WHEN...From 1 PM this afternoon to 10 AM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...Highest snow amounts will be in the northern half of the county and within elevated areas. Rates of up to 1 inch an hour will cause travel impacts Friday night. Local amounts could exceed 8 inches in the higher elevations.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued December 26 at 1:25PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:25 PM
Expires: Sat December 27, 2025, 4:00 AM
* WHAT...Heavy snow expected. Total snow and sleet accumulations between 4 and 7 inches and ice accumulations around a light glaze. * WHERE...In New Jersey, Warren County. In Pennsylvania, Monroe County. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...Highest snow amounts will be in the northern half of the county and within elevated areas. Rates of up to 1 inch an hour will cause travel impacts Friday night. Local amounts could exceed 8 inches in the higher elevations.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 6:15PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 6:15 PM
Expires: Sat December 27, 2025, 7:15 AM
* WHAT...Mixed precipitation. Additional snow and sleet accumulations between 1 and 3 inches and ice accumulations around a light glaze. * WHERE...In New Jersey, Warren County. In Pennsylvania, Monroe County. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 2:24AM EST until December 27 at 7:00AM EST by NWS State College PA
Effective: Fri December 26, 2025, 2:24 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to two inches and ice accumulations up to one tenth of an inch. * WHERE...Most of central Pennsylvania. * WHEN...From noon today to 7 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. * ADDITIONAL DETAILS...Much of the precipitation could fall as sleet. Sleet and freezing rain can both be dangerous, especially on bridges and sidewalks. They can also weigh down tree limbs and power lines. Power outages are possible.
Slow down and use caution while traveling. Visit 511pa.com for the latest travel, roadway, and traffic conditions.
Winter Weather Advisory issued December 26 at 3:27PM EST until December 27 at 7:00AM EST by NWS State College PA
Effective: Fri December 26, 2025, 3:27 PM
Expires: Sat December 27, 2025, 7:00 AM
* WHAT...Mixed precipitation. Additional snow and sleet accumulations up to one inch and ice accumulations up to two tenths of an inch. * WHERE...A portion of central Pennsylvania. * WHEN...Until 7 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions will impact the Friday evening commute. * ADDITIONAL DETAILS...Precipitation will taper off from west to east overnight. Patchy freezing drizzle could linger through Saturday morning.
Slow down and use caution while traveling. Visit 511pa.com for the latest travel, roadway, and traffic conditions.
Winter Weather Advisory issued December 26 at 1:16AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:16 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch. * WHERE...Portions of northern Delaware, northeast Maryland, southern New Jersey, and southeast Pennsylvania. * WHEN...From 3 PM this afternoon to 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 1:25PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:25 PM
Expires: Sat December 27, 2025, 4:00 AM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch. * WHERE...Portions of northern Delaware, northeast Maryland, southern New Jersey, and southeast Pennsylvania. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 6:15PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 6:15 PM
Expires: Sat December 27, 2025, 7:15 AM
* WHAT...Mixed precipitation. Total snow and sleet accumulations up to one inch and ice accumulations around one tenth of an inch. * WHERE...Portions of northern Delaware, northeast Maryland, southern New Jersey, and southeast Pennsylvania. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued December 26 at 1:16AM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:16 AM
Expires: Fri December 26, 2025, 4:00 PM
* WHAT...Heavy snow expected. Total snow and sleet accumulations between 3 and 5 inches. * WHERE...Western Monmouth, Middlesex, and Somerset Counties. * WHEN...From 3 PM this afternoon to 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...There will be a sharp gradient from south to north across the counties. Highest snow amounts will be in the northern half of the county as sleet mixes in from the south. Rates of up to 1 inch an hour will cause travel impacts Friday night.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Storm Warning issued December 26 at 1:25PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 1:25 PM
Expires: Sat December 27, 2025, 4:00 AM
* WHAT...Heavy mixed precipitation expected. Total snow and sleet accumulations between 4 and 7 inches and ice accumulations around a light glaze. * WHERE...Western Monmouth, Middlesex, and Somerset Counties. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Friday evening commute. * ADDITIONAL DETAILS...There will be a sharp gradient from south to north across the counties. Highest snow amounts will be in the northern half of the county as sleet mixes in from the south. Rates of up to 1 inch an hour will cause travel impacts Friday night.
If you must travel, keep an extra flashlight, food, and water in your vehicle in case of an emergency. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Winter Weather Advisory issued December 26 at 6:15PM EST until December 27 at 10:00AM EST by NWS Mount Holly NJ
Effective: Fri December 26, 2025, 6:15 PM
Expires: Sat December 27, 2025, 7:15 AM
* WHAT...Mixed precipitation. Total snow and sleet accumulations between 2 and 4 inches and ice accumulations around a light glaze. * WHERE...Western Monmouth, Middlesex, and Somerset Counties. * WHEN...Until 10 AM EST Saturday. * IMPACTS...Plan on slippery road conditions.
Slow down and use caution while traveling. The latest road conditions for the state you are calling from can be obtained by calling 5 1 1.
Weather Forecast
Average Temperature: 27.6°F
Average Humidity: 51%
Wind: 12.3 mph
UV Index: 0.2
Air Quality
Nitrogen Dioxide: 9.11 μg/m3
Sulphur Dioxide: 2.86 μg/m3
Ozone: 68.2 μg/m3
Astronomical
Sun Transit: 12:02 AM
Sunset: 4:41 PM
Daylight: 9 hrs 17 mins
Moon Transit: 12:00 AM
Moonset: 11:29 PM
Moon Phase: First Quarter
Moon Illumination: 40.5%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM6:24 AM - 8:54 AM
Minor Periods
12:00 AM - 12:00 AM10:46 AM - 12:16 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 28.3°F
Average Humidity: 90%
Wind: 8.1 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 23.28 μg/m3
Sulphur Dioxide: 3.99 μg/m3
Ozone: 47.2 μg/m3
Astronomical
Sun Transit: 12:03 AM
Sunset: 4:42 PM
Daylight: 9 hrs 18 mins
Moon Transit: 4:23 AM
Moonset: 12:29 AM
Moon Phase: First Quarter
Moon Illumination: 51.8%
Best Times for Fishing or Hunting
Major Periods
3:53 AM - 6:23 AM3:53 AM - 6:23 AM
Minor Periods
11:08 AM - 12:38 AM12:00 AM - 12:00 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 27.1°F
Average Humidity: 89%
Wind: 6.7 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 28.52 μg/m3
Sulphur Dioxide: 5.92 μg/m3
Ozone: 36.16 μg/m3
Astronomical
Sun Transit: 12:03 AM
Sunset: 4:43 PM
Daylight: 9 hrs 18 mins
Moon Transit: 6:50 PM
Moonset: 12:40 AM
Moon Phase: First Quarter
Moon Illumination: 63.0%
Best Times for Fishing or Hunting
Major Periods
7:56 AM - 10:26 AM6:20 PM - 8:50 PM
Minor Periods
11:32 AM - 1:02 PM12:10 AM - 1:40 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 33.6°F
Average Humidity: 97%
Wind: 19.7 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 21.46 μg/m3
Sulphur Dioxide: 6.15 μg/m3
Ozone: 29.08 μg/m3
Astronomical
Sun Transit: 12:04 AM
Sunset: 4:44 PM
Daylight: 9 hrs 19 mins
Moon Transit: 7:42 PM
Moonset: 1:52 AM
Moon Phase: First Quarter
Moon Illumination: 73.5%
Best Times for Fishing or Hunting
Major Periods
8:46 AM - 11:16 AM7:12 PM - 9:42 PM
Minor Periods
11:59 AM - 1:29 PM1:22 AM - 2:52 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 25.1°F
Average Humidity: 70%
Wind: 22.1 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 6.86 μg/m3
Sulphur Dioxide: 4.09 μg/m3
Ozone: 52.23 μg/m3
Astronomical
Sun Transit: 12:04 AM
Sunset: 4:44 PM
Daylight: 9 hrs 19 mins
Moon Transit: 8:39 PM
Moonset: 3:09 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 82.8%
Best Times for Fishing or Hunting
Major Periods
9:41 AM - 12:11 AM8:09 PM - 10:39 PM
Minor Periods
12:32 AM - 2:02 PM2:39 AM - 4:09 AM
Action Rating: 2 out of 5