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.

Fair

31°F

-1°C

Humidity 49%
Wind Speed NW 3 mph
Barometer 30.07 in (1018.7 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Last update 13 Mar 2:51 am EDT
Extended Forecast for

Bethlehem PA

  • Overnight

    Overnight: Mostly clear, with a low around 27. Calm wind.

    Low: 27 °F

    Mostly Clear

  • Friday

    Friday: A slight chance of rain between 3pm and 4pm. Increasing clouds, with a high near 48. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    High: 48 °F

    Mostly Sunny
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: A slight chance of rain before 10pm. Partly cloudy, with a low around 37. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.

    Low: 37 °F

    Slight Chance
    Rain then
    Mostly Clear

  • Saturday

    Saturday: Sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.

    High: 50 °F

    Sunny then
    Sunny and
    Breezy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.

    Low: 34 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 53.

    High: 53 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Showers, mainly after 2am. Low around 43. Chance of precipitation is 90%.

    Low: 43 °F

    Chance
    Showers then
    Showers

  • Monday

    Monday: Showers. High near 67. Chance of precipitation is 100%.

    High: 67 °F

    Showers

  • Monday Night

    Monday Night: Showers likely, mainly before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.

    Low: 33 °F

    Showers
    Likely

Detailed Forecast

Overnight
Mostly clear, with a low around 27. Calm wind.
Friday
A slight chance of rain between 3pm and 4pm. Increasing clouds, with a high near 48. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Friday Night
A slight chance of rain before 10pm. Partly cloudy, with a low around 37. South wind around 15 mph becoming west after midnight. Winds could gust as high as 30 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 50. Breezy, with a west wind 15 to 20 mph, with gusts as high as 30 mph.
Saturday Night
Mostly cloudy, with a low around 34. West wind around 5 mph becoming calm in the evening.
Sunday
Mostly cloudy, with a high near 53.
Sunday Night
Showers, mainly after 2am. Low around 43. Chance of precipitation is 90%.
Monday
Showers. High near 67. Chance of precipitation is 100%.
Monday Night
Showers likely, mainly before 2am. Mostly cloudy, with a low around 33. Chance of precipitation is 70%.
Tuesday
A chance of showers before 8am. Partly sunny, with a high near 41. Chance of precipitation is 30%.
Tuesday Night
Partly cloudy, with a low around 22.
Wednesday
Mostly sunny, with a high near 41.
Wednesday Night
Mostly cloudy, with a low around 27.
Thursday
Mostly cloudy, with a high near 47.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Bethlehem PA
 40.63°N 75.38°W (Elev. 299 ft)
Last Update:
2:24 am EDT Mar 13, 2026
Forecast Valid:
3am EDT Mar 13, 2026-6pm EDT Mar 19, 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