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

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Fog/Mist

58°F

14°C

Humidity 97%
Wind Speed S 6 mph
Barometer 29.89 in (1012.2 mb)
Dewpoint 57°F (14°C)
Visibility 2.00 mi
Last update 16 Oct 8:51 am EDT
Extended Forecast for

Chapman PA

  • Today

    Today: A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.

    High: 77 °F

    Chance
    Showers then
    Showers

  • Tonight

    Tonight: Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers
    Likely then
    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.

    High: 49 °F

    Decreasing
    Clouds and
    Breezy

  • Saturday Night

    Saturday Night: Patchy frost after midnight. Otherwise, clear, with a low around 32. North wind 5 to 10 mph.

    Low: 32 °F

    Clear then
    Patchy Frost

  • Sunday

    Sunday: Patchy frost before 9am. Otherwise, sunny, with a high near 57. North wind around 5 mph becoming southeast in the afternoon.

    High: 57 °F

    Patchy Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 41.

    Low: 41 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 66.

    High: 66 °F

    Mostly Sunny

Detailed Forecast

Today
A chance of showers and thunderstorms, then showers and possibly a thunderstorm after 4pm. High near 77. Southwest wind 5 to 10 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
Tonight
Showers and thunderstorms likely before 9pm, then a slight chance of showers between 9pm and 10pm. Mostly cloudy, with a low around 44. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly cloudy, then gradually becoming sunny, with a high near 49. Breezy, with a north wind 15 to 20 mph, with gusts as high as 35 mph.
Saturday Night
Patchy frost after midnight. Otherwise, clear, with a low around 32. North wind 5 to 10 mph.
Sunday
Patchy frost before 9am. Otherwise, sunny, with a high near 57. North wind around 5 mph becoming southeast in the afternoon.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 66.
Tuesday Night
Mostly clear, with a low around 45.
Wednesday
Sunny, with a high near 65.
Wednesday Night
Mostly clear, with a low around 42.
Thursday
Sunny, with a high near 61.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Chapman PA
 40.76°N 75.41°W (Elev. 722 ft)
Last Update:
7:53 am EDT Oct 16, 2026
Forecast Valid:
9am EDT Oct 16, 2026-6pm EDT Oct 22, 2026
 
Forecast Discussion
 
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Additional Resources

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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