National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Coastal and Marine Hazards This Week

Coastal flooding, dangerous rip currents, high surf, and hazardous marine conditions are expected through this week. View this briefing for more details. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

A Few Clouds

63°F

17°C

Humidity 63%
Wind Speed E 9 mph
Barometer 30.31 in (1026.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Last update 22 Sep 6:51 pm EDT
Extended Forecast for

Bethlehem PA

  • Tonight

    Tonight: Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.

    Low: 50 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 67. East wind around 15 mph.

    High: 67 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48. Northeast wind around 10 mph.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph.

    High: 67 °F

    Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 49. Northeast wind around 5 mph.

    Low: 49 °F

    Partly Cloudy

  • Friday

    Friday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Saturday

    Saturday: A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.

    High: 68 °F

    Partly Sunny
    then Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.

    Low: 53 °F

    Chance
    Showers

Detailed Forecast

Tonight
Mostly cloudy, with a low around 50. Northeast wind 5 to 10 mph.
Wednesday
Partly sunny, with a high near 67. East wind around 15 mph.
Wednesday Night
Mostly clear, with a low around 48. Northeast wind around 10 mph.
Thursday
Sunny, with a high near 67. Northeast wind around 10 mph, with gusts as high as 20 mph.
Thursday Night
Partly cloudy, with a low around 49. Northeast wind around 5 mph.
Friday
Mostly sunny, with a high near 70.
Friday Night
Mostly cloudy, with a low around 52.
Saturday
A chance of showers after 2pm. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Saturday Night
A chance of showers before 2am. Mostly cloudy, with a low around 53. Chance of precipitation is 30%.
Sunday
A chance of showers after 8am. Partly sunny, with a high near 68. Chance of precipitation is 30%.
Sunday Night
Mostly cloudy, with a low around 53.
Monday
Partly sunny, with a high near 70.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 73.
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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:
4:10 pm EDT Sep 22, 2026
Forecast Valid:
6pm EDT Sep 22, 2026-6pm EDT Sep 29, 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