National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

A Few Clouds

33°F

1°C

Humidity 96%
Wind Speed Calm
Barometer 30.09 in (1019.3 mb)
Dewpoint 32°F (0°C)
Visibility 10.00 mi
Last update 20 Apr 2:51 am EDT
Extended Forecast for

5 Miles NNW Chapman PA

Frost Advisory April 20, 03:09am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Frost Advisory
Freeze Warning
  •  
    Frost Advisory April 20, 03:09am until April 20, 08:00am

    NOW until 8:00am Mon

    Frost Advisory

  • Overnight

    Low: 34 °F

    Patchy Frost

  • Monday

    Monday: A slight chance of rain showers before 8am, then a slight chance of snow showers between 8am and 9am. Patchy frost before 8am. Otherwise, mostly cloudy, with a high near 47. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.

    High: 47 °F

    Slight Chance
    Rain/Snow
    then Partly
    Sunny

  • Monday Night

    Monday Night: Mostly cloudy, then gradually becoming clear, with a low around 27. North wind around 5 mph.

    Low: 27 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 52 °F

    Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 5 mph. Chance of precipitation is 30%.

    Low: 38 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.

    High: 63 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 41.

    Low: 41 °F

    Mostly Clear

  • Thursday

    Thursday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

Detailed Forecast

Overnight
Patchy frost. Otherwise, mostly cloudy, with a low around 34. Calm wind.
Monday
A slight chance of rain showers before 8am, then a slight chance of snow showers between 8am and 9am. Patchy frost before 8am. Otherwise, mostly cloudy, with a high near 47. Northwest wind 5 to 15 mph. Chance of precipitation is 20%.
Monday Night
Mostly cloudy, then gradually becoming clear, with a low around 27. North wind around 5 mph.
Tuesday
Sunny, with a high near 52. Calm wind becoming southwest around 5 mph in the afternoon.
Tuesday Night
A chance of showers, mainly after 2am. Mostly cloudy, with a low around 38. South wind around 5 mph. Chance of precipitation is 30%.
Wednesday
A chance of showers, mainly before 8am. Partly sunny, with a high near 63. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 41.
Thursday
Mostly sunny, with a high near 70.
Thursday Night
Mostly clear, with a low around 45.
Friday
Mostly sunny, with a high near 70.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Saturday
A chance of showers. Partly sunny, with a high near 61. Chance of precipitation is 50%.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 44. Chance of precipitation is 50%.
Sunday
A chance of showers. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles NNW Chapman PA
 40.83°N 75.43°W (Elev. 915 ft)
Last Update:
4:11 pm EDT Apr 19, 2026
Forecast Valid:
3am EDT Apr 20, 2026-6pm EDT Apr 26, 2026
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation