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

42°F

6°C

Humidity 65%
Wind Speed E 13 mph
Barometer 30.26 in (1025.2 mb)
Dewpoint 31°F (-1°C)
Visibility 10.00 mi
Wind Chill35°F (2°C)
Last update 15 Mar 5:51 pm EDT
Extended Forecast for

Bethlehem PA

  • Tonight

    Tonight: Rain likely before 2am, then rain and possibly a thunderstorm between 2am and 5am, then rain likely after 5am. Low around 44. East wind 10 to 15 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 44 °F

    Slight Chance
    Rain then
    Rain

  • Monday

    Monday: Showers and thunderstorms, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 65. 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: 65 °F

    Showers then
    Severe
    Thunderstorms

  • Monday Night

    Monday Night: Rain showers before 2am, then a chance of rain showers and sleet. Some thunder is also possible. Low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.

    Low: 29 °F

    Breezy.
    Severe
    Thunderstorms
    then
    Rain/Sleet

  • Tuesday

    Tuesday: Mostly sunny, with a high near 37. West wind around 15 mph, with gusts as high as 30 mph.

    High: 37 °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: Mostly sunny, with a high near 39.

    High: 39 °F

    Mostly 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 48.

    High: 48 °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. Low around 44. 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, mainly before 4pm, then showers likely and possibly a thunderstorm after 5pm. Some of the storms could be severe. High near 65. 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 showers and sleet. Some thunder is also possible. Low around 29. Breezy, with a southwest wind 15 to 20 mph, with gusts as high as 35 mph. Chance of precipitation is 100%. Little or no sleet accumulation expected.
Tuesday
Mostly sunny, with a high near 37. 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
Mostly sunny, with a high near 39.
Wednesday Night
Mostly cloudy, with a low around 26.
Thursday
Partly sunny, with a high near 48.
Thursday Night
Mostly cloudy, with a low around 33.
Friday
Partly sunny, with a high near 53.
Friday Night
A chance of showers. Mostly cloudy, with a low around 38. Chance of precipitation is 40%.
Saturday
A chance of showers. Mostly cloudy, with a high near 55. Chance of precipitation is 30%.
Saturday Night
Partly cloudy, with a low around 34.
Sunday
Partly sunny, with a high near 50.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bethlehem PA
 40.6°N 75.35°W (Elev. 564 ft)
Last Update:
4:13 pm EDT Mar 15, 2026
Forecast Valid:
6pm EDT Mar 15, 2026-6pm EDT Mar 22, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation