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.

Overcast

40°F

4°C

Humidity 77%
Wind Speed E 10 mph
Barometer 30.20 in (1023.2 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Wind Chill34°F (1°C)
Last update 15 Mar 8:51 pm EDT
Extended Forecast for

Allentown PA

  • Tonight

    Tonight: Rain likely before 2am, then rain and possibly a thunderstorm between 2am and 5am, then rain likely after 5am. Temperature falling to near 45 by 11pm, then rising to around 54 during the remainder of the night. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 45 °F⇑

    Chance Rain
    then Rain

  • Monday

    Monday: Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. High near 67. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.

    High: 67 °F

    Showers then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.

    Low: 29 °F

    Breezy.
    Severe
    Thunderstorms
    then
    Rain/Snow

  • Tuesday

    Tuesday: Mostly sunny, with a high near 38. West wind around 15 mph, with gusts as high as 30 mph.

    High: 38 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 22. West wind 5 to 15 mph.

    Low: 22 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 40.

    High: 40 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 49.

    High: 49 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 33.

    Low: 33 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Rain likely before 2am, then rain and possibly a thunderstorm between 2am and 5am, then rain likely after 5am. Temperature falling to near 45 by 11pm, then rising to around 54 during the remainder of the night. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Monday
Showers and thunderstorms before 2pm, then showers likely and possibly a thunderstorm between 2pm and 3pm, then a chance of showers and thunderstorms after 3pm. Some of the storms could be severe. High near 67. South wind 10 to 15 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
Monday Night
Rain showers before 2am, then a chance of rain and snow showers. Some thunder is also possible. Low around 29. Breezy, with a south wind 15 to 20 mph becoming west after midnight. Winds could gust as high as 35 mph. Chance of precipitation is 100%. Little or no snow accumulation expected.
Tuesday
Mostly sunny, with a high near 38. West wind around 15 mph, with gusts as high as 30 mph.
Tuesday Night
Partly cloudy, with a low around 22. West wind 5 to 15 mph.
Wednesday
Partly sunny, with a high near 40.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 49.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 54.
Friday Night
A chance of showers. Mostly cloudy, with a low around 37. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 57. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 35.
Sunday
Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Allentown PA
 40.59°N 75.47°W (Elev. 299 ft)
Last Update:
4:13 pm EDT Mar 15, 2026
Forecast Valid:
9pm EDT Mar 15, 2026-6pm EDT Mar 22, 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