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

Hazardous Weather Conditions

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Partly Cloudy

29°F

-2°C

Humidity 54%
Wind Speed SW 16 mph
Barometer 29.94 in (1014.4 mb)
Dewpoint 14°F (-10°C)
Visibility 10.00 mi
Wind Chill17°F (-8°C)
Last update 19 Jan 3:51 pm EST
Extended Forecast for

Bethlehem PA

Cold Weather Advisory January 20, 02:00am until January 20, 10:00am
Click here for hazard details and duration
Cold Weather Advisory

  • Tonight

    Tonight: Mostly cloudy, then gradually becoming clear, with a low around 10. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.

    Low: 10 °F

    Decreasing
    Clouds

  • Tuesday

    Tuesday: Sunny, with a high near 20. Wind chill values as low as -3. West wind 10 to 15 mph.

    High: 20 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 4. West wind around 5 mph becoming calm after midnight.

    Low: 4 °F

    Mostly Clear

  • Wednesday

    Wednesday: Mostly sunny, with a high near 32. Light south wind increasing to 5 to 10 mph in the afternoon.

    High: 32 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 26. South wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 42.

    High: 42 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Partly cloudy, with a low around 20.

    Low: 20 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 29.

    High: 29 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 9.

    Low: 9 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, then gradually becoming clear, with a low around 10. Wind chill values as low as zero. West wind 10 to 15 mph, with gusts as high as 25 mph.
Tuesday
Sunny, with a high near 20. Wind chill values as low as -3. West wind 10 to 15 mph.
Tuesday Night
Mostly clear, with a low around 4. West wind around 5 mph becoming calm after midnight.
Wednesday
Mostly sunny, with a high near 32. Light south wind increasing to 5 to 10 mph in the afternoon.
Wednesday Night
Mostly cloudy, with a low around 26. South wind around 5 mph.
Thursday
Mostly sunny, with a high near 42.
Thursday Night
Partly cloudy, with a low around 20.
Friday
Partly sunny, with a high near 29.
Friday Night
Mostly cloudy, with a low around 9.
Saturday
Partly sunny, with a high near 17.
Saturday Night
A chance of snow. Mostly cloudy, with a low around 7. Chance of precipitation is 30%.
Sunday
A chance of snow. Partly sunny, with a high near 17. Chance of precipitation is 30%.
Sunday Night
A chance of snow. Partly cloudy, with a low around 5. Chance of precipitation is 30%.
Monday
Mostly sunny, with a high near 21.
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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 EST Jan 19, 2026
Forecast Valid:
4pm EST Jan 19, 2026-6pm EST Jan 26, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation