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

Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Light Rain

68°F

20°C

Humidity 96%
Wind Speed NE 5 mph
Barometer 29.92 in (1013.1 mb)
Dewpoint 67°F (19°C)
Visibility 7.00 mi
Last update 20 Sep 8:51 pm EDT
Extended Forecast for

Bethlehem PA

  • Tonight

    Tonight: A slight chance of showers before midnight. Mostly cloudy, with a low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.

    Low: 59 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 70. Northeast wind around 5 mph.

    High: 70 °F

    Partly Sunny

  • Monday Night

    Monday Night: Showers, mainly after 3am. Low around 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Chance
    Showers then
    Showers

  • Tuesday

    Tuesday: Showers likely. Cloudy, with a high near 62. Northeast wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 62 °F

    Showers
    Likely

  • Tuesday Night

    Tuesday Night: A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Northeast wind around 10 mph. Chance of precipitation is 20%.

    Low: 49 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 48.

    Low: 48 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 64.

    High: 64 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 49.

    Low: 49 °F

    Mostly Cloudy

Detailed Forecast

Tonight
A slight chance of showers before midnight. Mostly cloudy, with a low around 59. Calm wind becoming north around 5 mph after midnight. Chance of precipitation is 20%.
Monday
Partly sunny, with a high near 70. Northeast wind around 5 mph.
Monday Night
Showers, mainly after 3am. Low around 52. Northeast wind 5 to 10 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Tuesday
Showers likely. Cloudy, with a high near 62. Northeast wind around 10 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Tuesday Night
A slight chance of showers before 2am. Mostly cloudy, with a low around 49. Northeast wind around 10 mph. Chance of precipitation is 20%.
Wednesday
A chance of showers, mainly between 8am and 2pm. Mostly cloudy, with a high near 64. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday Night
Mostly cloudy, with a low around 48.
Thursday
Partly sunny, with a high near 64.
Thursday Night
Mostly cloudy, with a low around 49.
Friday
A chance of showers after 2pm. Partly sunny, with a high near 66. Chance of precipitation is 30%.
Friday Night
A chance of showers. Partly cloudy, with a low around 49. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 70.
Saturday Night
Mostly cloudy, with a low around 50.
Sunday
Partly sunny, with a high near 73.
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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:
6:15 pm EDT Sep 20, 2026
Forecast Valid:
9pm EDT Sep 20, 2026-6pm EDT Sep 27, 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