Weather for Allentown, Pennsylvania
Current Weather
Five Day Weather Forecast
Wed
H: 51°F
L: 32°F
Thu
H: 37°F
L: 31°F
Fri
H: 37°F
L: 32°F
Sat
H: 44°F
L: 30°F
Sun
H: 36°F
L: 30°F
Air Quality
Nitrogen Dioxide: 48.25 μg/m3
Sulphur Dioxide: 10.65 μg/m3
Ozone: 27 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:41 PM
Daylight: 10 hrs 49 mins
Moon Transit: 1:13 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
2:20 AM - 4:50 AM12:43 AM - 3:13 PM
Minor Periods
6:41 PM - 8:11 PM6:56 AM - 8:26 AM
Action Rating: 4 out of 5
Air Quality Alert issued February 17 at 3:45PM EST by NWS Mount Holly NJ
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue February 17, 2026, 3:45 PM
Expires: Thu February 19, 2026, 12:00 AM
The Pennsylvania Department of Environmental Protection has issued a code orange air quality alert Wednesday for The Lehigh Valley/Berks County area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.depweb.state.pa.us
Dense Fog Advisory issued February 18 at 7:19AM EST until February 18 at 10:00AM EST by NWS Mount Holly NJ
Effective: Wed February 18, 2026, 7:19 AM
Expires: Wed February 18, 2026, 10:00 AM
* WHAT...Visibility one quarter mile or less in dense fog. Patchy ice. * WHERE...Portions of northern Delaware, northeast Maryland, central, northern, northwest, and southern New Jersey, and east central, northeast, and southeast Pennsylvania. * WHEN...Until 10 AM EST this morning. * IMPACTS...Low visibility could make driving conditions hazardous. Patchy freezing fog could result in icy roads.
If driving, slow down, use your headlights, and leave plenty of distance ahead of you.
Air Quality Alert issued February 17 at 3:45PM EST by NWS Mount Holly NJ
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Tue February 17, 2026, 3:45 PM
Expires: Thu February 19, 2026, 12:00 AM
The Delaware Valley Regional Planning Commission has issued a code orange air quality alert Wednesday for The Philadelphia Metro area. A code orange air quality alert means that air pollution concentrations within the region may become unhealthy for sensitive groups. Sensitive groups include children...people suffering from asthma... heart disease or other lung diseases...and the elderly. The effects of air pollution can be minimized by avoiding strenuous activity or exercise outdoors. For more information on ground-level ozone and fine particles...visit http://www.phila.gov/health/units/ams/
Air Quality Alert issued February 18 at 9:00AM EST by NWS Mount Holly NJ
Non-Weather Emergency Message. Not sent to IPAWS.
Effective: Wed February 18, 2026, 9:00 AM
Expires: Thu February 19, 2026, 9:00 AM
The New Jersey Department of Environmental Protection has issued a Code Orange Air Quality Action Day for Fine Particulates, until midnight EST tonight. An Air Quality Advisory means that air quality within the region may approach or exceed unhealthy standards. For more information on current and forecast concentrations of ground-level ozone and fine particulates, visit www.airnow.gov or www.state.nj.us/dep/airmon/ or call the New Jersey Bureau of Air Monitoring at 609-292-0138
Weather Forecast
Air Quality
Nitrogen Dioxide: 36.83 μg/m3
Sulphur Dioxide: 15.07 μg/m3
Ozone: 35.72 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:41 PM
Daylight: 10 hrs 49 mins
Moon Transit: 1:13 PM
Moonset: 7:11 PM
Moon Phase: New
Moon Illumination: 1.3%
Best Times for Fishing or Hunting
Major Periods
2:20 AM - 4:50 AM12:43 AM - 3:13 PM
Minor Periods
6:41 PM - 8:11 PM6:56 AM - 8:26 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 26.12 μg/m3
Sulphur Dioxide: 6.81 μg/m3
Ozone: 42 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:42 PM
Daylight: 10 hrs 51 mins
Moon Transit: 1:58 PM
Moonset: 8:21 PM
Moon Phase: Waxing Crescent
Moon Illumination: 5.2%
Best Times for Fishing or Hunting
Major Periods
3:05 AM - 5:35 AM1:28 PM - 3:58 PM
Minor Periods
7:51 PM - 9:21 PM7:18 AM - 8:48 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 27.64 μg/m3
Sulphur Dioxide: 5.16 μg/m3
Ozone: 44.88 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:43 PM
Daylight: 10 hrs 54 mins
Moon Transit: 2:45 PM
Moonset: 9:32 PM
Moon Phase: Waxing Crescent
Moon Illumination: 11.3%
Best Times for Fishing or Hunting
Major Periods
3:51 AM - 6:21 AM2:15 PM - 4:45 PM
Minor Periods
9:02 PM - 10:32 PM7:41 AM - 9:11 AM
Action Rating: 3 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 15.03 μg/m3
Sulphur Dioxide: 4.57 μg/m3
Ozone: 51.44 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:44 PM
Daylight: 10 hrs 56 mins
Moon Transit: 3:34 PM
Moonset: 10:47 PM
Moon Phase: Waxing Crescent
Moon Illumination: 19.4%
Best Times for Fishing or Hunting
Major Periods
4:39 AM - 7:09 AM3:04 PM - 5:34 PM
Minor Periods
10:17 PM - 11:47 PM8:06 AM - 9:36 AM
Action Rating: 4 out of 5
Weather Forecast
Air Quality
Nitrogen Dioxide: 29.05 μg/m3
Sulphur Dioxide: 4.8 μg/m3
Ozone: 34.85 μg/m3
Astronomical
Sun Transit: 12:15 AM
Sunset: 5:45 PM
Daylight: 10 hrs 59 mins
Moon Transit: 4:26 PM
Moonset: 12:02 PM
Moon Phase: Waxing Crescent
Moon Illumination: 29.1%
Best Times for Fishing or Hunting
Major Periods
5:30 AM - 8:00 AM3:56 PM - 6:26 PM
Minor Periods
12:00 AM - 12:00 AM8:34 AM - 10:04 AM
Action Rating: 2 out of 5