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.

Overcast

54°F

12°C

Humidity 80%
Wind Speed E 8 mph
Barometer 29.90 in (1012.3 mb)
Dewpoint 48°F (9°C)
Visibility 10.00 mi
Wind Chill52°F (11°C)
Last update 18 Apr 10:51 pm EDT
Extended Forecast for

Chapman PA

Freeze Watch April 21, 12:00am until April 21, 09:00am
Click here for hazard details and duration
Freeze Watch

  • Tonight

    Tonight: A chance of showers, mainly after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 47 °F

    Chance
    Showers and
    Patchy Fog

  • Sunday

    Sunday: Showers, mainly before 2pm. Patchy fog before 8am. High near 51. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 51 °F

    Showers and
    Patchy Fog
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 35. West wind 5 to 10 mph.

    Low: 35 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 47. Northwest wind 10 to 15 mph.

    High: 47 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Patchy frost after 11pm. Otherwise, mostly clear, with a low around 27. North wind 5 to 10 mph.

    Low: 27 °F

    Patchy Frost

  • Tuesday

    Tuesday: Areas of frost before 10am. Otherwise, sunny, with a high near 52.

    High: 52 °F

    Areas Frost
    then Sunny

  • Tuesday Night

    Tuesday Night: A chance of showers after 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.

    Low: 38 °F

    Partly Cloudy
    then Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers before 8am. Partly sunny, with a high near 64. Chance of precipitation is 30%.

    High: 64 °F

    Chance
    Showers then
    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 40.

    Low: 40 °F

    Mostly Clear

Detailed Forecast

Tonight
A chance of showers, mainly after 4am. Patchy fog after 5am. Otherwise, cloudy, with a low around 47. East wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday
Showers, mainly before 2pm. Patchy fog before 8am. High near 51. Northwest wind around 15 mph, with gusts as high as 25 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch possible.
Sunday Night
Partly cloudy, with a low around 35. West wind 5 to 10 mph.
Monday
Mostly sunny, with a high near 47. Northwest wind 10 to 15 mph.
Monday Night
Patchy frost after 11pm. Otherwise, mostly clear, with a low around 27. North wind 5 to 10 mph.
Tuesday
Areas of frost before 10am. Otherwise, sunny, with a high near 52.
Tuesday Night
A chance of showers after 2am. Partly cloudy, with a low around 38. Chance of precipitation is 30%.
Wednesday
A chance of showers before 8am. Partly sunny, with a high near 64. Chance of precipitation is 30%.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 70.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 73.
Friday Night
Partly cloudy, with a low around 48.
Saturday
A chance of showers. Partly sunny, with a high near 66. Chance of precipitation is 40%.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Chapman PA
 40.76°N 75.41°W (Elev. 722 ft)
Last Update:
4:11 pm EDT Apr 18, 2026
Forecast Valid:
11pm EDT Apr 18, 2026-6pm EDT Apr 25, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation