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

34°F

1°C

Humidity 64%
Wind Speed S 8 mph
Barometer 30.28 in (1025.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Wind Chill27°F (-3°C)
Last update 19 Mar 9:51 am EDT
Extended Forecast for

Bethlehem PA

  • Today

    Today: Mostly cloudy, with a high near 50. South wind around 5 mph.

    High: 50 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm.

    Low: 31 °F

    Mostly Cloudy

  • Friday

    Friday: A chance of rain after 2pm. Partly sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Mostly Sunny
    then Chance
    Rain

  • Friday Night

    Friday Night: Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 44 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 8am. Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 62 °F

    Chance Rain
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 41.

    Low: 41 °F

    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 67.

    High: 67 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.

    Low: 39 °F

    Rain Likely

  • Monday

    Monday: Rain likely before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.

    High: 50 °F

    Rain Likely
    then Partly
    Sunny

Detailed Forecast

Today
Mostly cloudy, with a high near 50. South wind around 5 mph.
Tonight
Mostly cloudy, with a low around 31. South wind around 5 mph becoming calm.
Friday
A chance of rain after 2pm. Partly sunny, with a high near 61. Light and variable wind becoming south 5 to 10 mph in the afternoon. Winds could gust as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Rain likely, mainly between 8pm and 2am. Mostly cloudy, with a low around 44. Southwest wind 5 to 10 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 8am. Mostly sunny, with a high near 62. Northwest wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Mostly cloudy, with a low around 41.
Sunday
Partly sunny, with a high near 67.
Sunday Night
Rain likely, mainly after 2am. Mostly cloudy, with a low around 39. Chance of precipitation is 60%.
Monday
Rain likely before 8am. Partly sunny, with a high near 50. Chance of precipitation is 60%.
Monday Night
Mostly clear, with a low around 25.
Tuesday
Mostly sunny, with a high near 46.
Tuesday Night
Mostly cloudy, with a low around 29.
Wednesday
Mostly sunny, with a high near 51.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Bethlehem PA
 40.63°N 75.38°W (Elev. 299 ft)
Last Update:
7:34 am EDT Mar 19, 2026
Forecast Valid:
10am EDT Mar 19, 2026-6pm EDT Mar 25, 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