Weather for Allentown, Pennsylvania
Current Weather
Humidity: 55%
Feels Like: 31.8°F
Wind: NE 2.7 mph
Wind Gusts: 5.5 mph
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 9 mi
UV Index: 0
Five Day Weather Forecast
Mon
H: 42°F
L: 25°F
Tue
H: 39°F
L: 26°F
Wed
H: 36°F
L: 19°F
Thu
H: 35°F
L: 17°F
Fri
H: 22°F
L: 11°F
Air Quality
Nitrogen Dioxide: 12.65 μg/m3
Sulphur Dioxide: 2.85 μg/m3
Ozone: 58 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:36 PM
Daylight: 9 hrs 29 mins
Moon Transit: 9:00 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
10:05 AM - 12:35 AM8:30 PM - 11:00 PM
Minor Periods
1:32 PM - 3:02 PM2:26 AM - 3:56 AM
Action Rating: 2 out of 5
Winter Weather Advisory issued December 1 at 1:28AM EST until December 2 at 1:00PM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:28 AM
Expires: Mon December 1, 2025, 4:00 PM
* WHAT...Snow expected. Total snow and sleet accumulations between 2 and 5 inches, greatest at higher elevations. * WHERE...In New Jersey, Warren County. In Pennsylvania, Berks, Lehigh, and Northampton Counties. * WHEN...From 4 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...Snowfall rates up to 1 inch per hour are possible. The snow may mix with sleet before changing to all rain by Tuesday afternoon.
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 1 at 1:11PM EST until December 2 at 1:00PM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:11 PM
Expires: Tue December 2, 2025, 4:00 AM
* WHAT...Mixed precipitation expected. Total snow accumulations up to two inches and ice accumulations around a light glaze. * WHERE...In New Jersey, Warren County. In Pennsylvania, Berks, Lehigh, and Northampton Counties. * WHEN...From 4 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning 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 Storm Watch issued December 1 at 1:28AM EST until December 2 at 10:00PM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:28 AM
Expires: Mon December 1, 2025, 4:00 PM
* WHAT...Heavy snow possible. Total snow accumulations between 4 and 8 inches possible. Snowfall rates in excess of 1 inch per hour possible. * WHERE...Carbon and Monroe Counties. * WHEN...From late tonight through Tuesday evening. * IMPACTS...Travel could be very difficult. The hazardous conditions could impact the Tuesday morning and evening commutes. * ADDITIONAL DETAILS...Sleet or rain may mix in at times during the afternoon.
Monitor the latest forecasts for updates on this situation.
Winter Weather Advisory issued December 1 at 1:11PM EST until December 2 at 6:00PM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:11 PM
Expires: Tue December 2, 2025, 4:00 AM
* WHAT...Mixed precipitation expected. Total snow accumulations between 3 and 5 inches with localized amounts to 6 inches and ice accumulations around a light glaze. * WHERE...Carbon and Monroe Counties. * WHEN...From 4 AM to 6 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning and evening commutes.
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 1 at 1:28AM EST until December 2 at 10:00AM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:28 AM
Expires: Mon December 1, 2025, 4:00 PM
* WHAT...Snow expected. Total snow and sleet accumulations between 1 and 3 inches, greatest at higher elevations. * WHERE...In New Jersey, Hunterdon County. In Pennsylvania, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 4 AM to 10 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning commute. * ADDITIONAL DETAILS...The snow may mix with sleet before changing to all rain by late Tuesday morning.
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 1 at 1:11PM EST until December 2 at 10:00AM EST by NWS Mount Holly NJ
Effective: Mon December 1, 2025, 1:11 PM
Expires: Tue December 2, 2025, 4:00 AM
* WHAT...Mixed precipitation expected. Total snow and sleet accumulations up to one inch and ice accumulations around a light glaze. * WHERE...In New Jersey, Hunterdon County. In Pennsylvania, Upper Bucks, Western Chester, and Western Montgomery Counties. * WHEN...From 4 AM to 10 AM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning 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 Storm Watch issued December 1 at 1:57AM EST until December 2 at 4:00PM EST by NWS State College PA
Effective: Mon December 1, 2025, 1:57 AM
Expires: Mon December 1, 2025, 4:00 PM
...FIRST WIDESPREAD SNOW OF THE SEASON... .A quick-hitting system will bring accumulating snow to all of Central PA late Monday night into early Tuesday afternoon. Hazardous travel is expected for the morning commute on Tuesday, with a plowable snow expected areawide. Snow may mix with sleet or freezing rain near the Mason-Dixon line, where a glaze of ice is possible. Snowfall totals over 6 inches are possible at higher elevations east of US-15 and north of the I-81/I-78 corridor. * WHAT...Heavy snow possible. Total snow accumulations of greater than 6 inches possible. * WHERE...Columbia, Northern Lycoming, Schuylkill, Southern Lycoming, and Sullivan Counties. * WHEN...From late tonight through Tuesday afternoon. * IMPACTS...Roads, and especially bridges and overpasses, will likely become slick and hazardous. Plan on slippery road conditions. The hazardous conditions will impact the Tuesday morning commute. * ADDITIONAL DETAILS...Snowfall rates over 1 inch an hour are possible.
Monitor the latest forecasts for updates on this situation.
Winter Weather Advisory issued December 1 at 2:01PM EST until December 2 at 1:00PM EST by NWS State College PA
Effective: Mon December 1, 2025, 2:01 PM
Expires: Tue December 2, 2025, 5:30 AM
...FIRST WIDESPREAD SNOW ACCUMULATION OF THE SEASON... .The first widespread snow accumulation of the season will impact central Pennsylvania from late tonight into early Tuesday afternoon. Hazardous travel is expected during the Tuesday morning commute with a plowable snowfall expected. Mixed precipitation is likely near the Mason-Dixon line, where a glaze of ice is possible. Localized snowfall totals over 6 inches are possible at higher elevations to the east of US-15 and north of I-81/I-78 into the southern Poconos. * WHAT...Snow expected. Total snow accumulations between 4 and 6 inches. * WHERE...A portion of central Pennsylvania. * WHEN...From 3 AM to 1 PM EST Tuesday. * IMPACTS...Plan on slippery road conditions. The hazardous conditions could impact the Tuesday morning 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.
Weather Forecast
Average Temperature: 34.1°F
Average Humidity: 64%
Wind: 14.8 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 6.94 μg/m3
Sulphur Dioxide: 4.61 μg/m3
Ozone: 65.88 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:36 PM
Daylight: 9 hrs 29 mins
Moon Transit: 9:00 PM
Moonset: 2:56 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 87.1%
Best Times for Fishing or Hunting
Major Periods
10:05 AM - 12:35 AM8:30 PM - 11:00 PM
Minor Periods
1:32 PM - 3:02 PM2:26 AM - 3:56 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 33°F
Average Humidity: 86%
Wind: 16.1 mph
UV Index: 0.1
Air Quality
Nitrogen Dioxide: 21.96 μg/m3
Sulphur Dioxide: 4.25 μg/m3
Ozone: 47.04 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:36 PM
Daylight: 9 hrs 28 mins
Moon Transit: 9:57 PM
Moonset: 4:14 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 93.7%
Best Times for Fishing or Hunting
Major Periods
10:59 AM - 1:29 PM9:27 PM - 11:57 PM
Minor Periods
2:03 PM - 3:33 PM3:44 AM - 5:14 AM
Action Rating: 2 out of 5
Weather Forecast
Average Temperature: 29.8°F
Average Humidity: 79%
Wind: 11.2 mph
UV Index: 0.4
Air Quality
Nitrogen Dioxide: 9.54 μg/m3
Sulphur Dioxide: 4.44 μg/m3
Ozone: 67.32 μg/m3
Astronomical
Sun Transit: 11:51 AM
Sunset: 4:35 PM
Daylight: 9 hrs 27 mins
Moon Transit: 10:58 PM
Moonset: 5:36 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 98.1%
Best Times for Fishing or Hunting
Major Periods
11:58 AM - 2:28 PM12:00 AM - 12:00 AM
Minor Periods
2:41 PM - 4:11 PM5:06 AM - 6:36 AM
Action Rating: 3 out of 5
Weather Forecast
Average Temperature: 25.5°F
Average Humidity: 92%
Wind: 16.3 mph
UV Index: 0.3
Air Quality
Nitrogen Dioxide: 14.66 μg/m3
Sulphur Dioxide: 7.58 μg/m3
Ozone: 60.08 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:35 PM
Daylight: 9 hrs 26 mins
Moon Transit: 12:00 AM
Moonset: 6:58 AM
Moon Phase: Full
Moon Illumination: 99.9%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM1:03 PM - 3:33 PM
Minor Periods
3:30 PM - 5:00 PM6:28 AM - 7:58 AM
Action Rating: 4 out of 5
Weather Forecast
Average Temperature: 15.9°F
Average Humidity: 85%
Wind: 8.5 mph
UV Index: 0
Air Quality
Nitrogen Dioxide: 5.63 μg/m3
Sulphur Dioxide: 2.27 μg/m3
Ozone: 74.92 μg/m3
Astronomical
Sun Transit: 11:52 AM
Sunset: 4:35 PM
Daylight: 9 hrs 25 mins
Moon Transit: 12:05 AM
Moonset: 8:15 AM
Moon Phase: Full
Moon Illumination: 99.2%
Best Times for Fishing or Hunting
Major Periods
12:00 AM - 12:00 AM2:10 PM - 4:40 PM
Minor Periods
4:32 PM - 6:02 PM7:45 AM - 9:15 AM
Action Rating: 5 out of 5