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.

A Few Clouds

29°F

-2°C

Humidity 54%
Wind Speed W 16 G 32 mph
Barometer 29.83 in (1010.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 17 Mar 8:51 am EDT
Extended Forecast for

Allentown PA

  • Today

    Today: Partly sunny, with a high near 37. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.

    High: 37 °F

    Partly Sunny
    and Breezy

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.

    Low: 23 °F

    Decreasing
    Clouds

  • Wednesday

    Wednesday: Mostly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.

    High: 40 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.

    High: 50 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain/Snow

  • Friday

    Friday: Partly sunny, with a high near 55.

    High: 55 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.

    Low: 39 °F

    Chance Rain

  • Saturday

    Saturday: Partly sunny, with a high near 54.

    High: 54 °F

    Partly Sunny

Detailed Forecast

Today
Partly sunny, with a high near 37. Breezy, with a west wind around 20 mph, with gusts as high as 35 mph.
Tonight
Mostly cloudy, then gradually becoming clear, with a low around 23. West wind around 10 mph, with gusts as high as 20 mph.
Wednesday
Mostly sunny, with a high near 40. Calm wind becoming southwest around 5 mph.
Wednesday Night
Partly cloudy, with a low around 26. Calm wind.
Thursday
Partly sunny, with a high near 50. Calm wind becoming south around 5 mph in the afternoon.
Thursday Night
A slight chance of rain before 11pm, then a slight chance of rain and snow between 11pm and 2am, then a slight chance of rain after 2am. Mostly cloudy, with a low around 34. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 55.
Friday Night
A chance of rain. Mostly cloudy, with a low around 39. Chance of precipitation is 40%.
Saturday
Partly sunny, with a high near 54.
Saturday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Sunday
Mostly cloudy, with a high near 56.
Sunday Night
A chance of rain. Mostly cloudy, with a low around 33. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 49.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.6°N 75.5°W (Elev. 299 ft)
Last Update:
4:11 am EDT Mar 17, 2026
Forecast Valid:
9am EDT Mar 17, 2026-6pm EDT Mar 23, 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