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.

Fog

58°F

14°C

Humidity 100%
Wind Speed W 3 mph
Barometer 29.54 in (1000.2 mb)
Dewpoint 58°F (14°C)
Visibility 0.25 mi
Last update 12 Mar 4:51 am EDT
Extended Forecast for

Belfast PA

  • Overnight

    Overnight: Showers likely. Cloudy, with a steady temperature around 61. West wind around 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 61 °F

    Showers
    Likely

  • Thursday

    Thursday: Rain and snow likely before 5pm, then a slight chance of snow. Cloudy, with a temperature falling to around 38 by 3pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.

    High: 48 °F⇓

    Rain Likely
    then Chance
    Rain/Snow

  • Thursday Night

    Thursday Night: Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 10 mph.

    Low: 26 °F

    Gradual
    Clearing

  • Friday

    Friday: Increasing clouds, with a high near 46. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.

    High: 46 °F

    Increasing
    Clouds

  • Friday Night

    Friday Night: A slight chance of rain before 2am. Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.

    Low: 34 °F

    Slight Chance
    Rain

  • Saturday

    Saturday: Sunny, with a high near 49.

    High: 49 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 30.

    Low: 30 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly cloudy, with a high near 50.

    High: 50 °F

    Mostly Cloudy

  • Sunday Night

    Sunday Night: Rain, mainly after 2am. Low around 42. Chance of precipitation is 80%.

    Low: 42 °F

    Chance Rain
    then Rain

Detailed Forecast

Overnight
Showers likely. Cloudy, with a steady temperature around 61. West wind around 15 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Rain and snow likely before 5pm, then a slight chance of snow. Cloudy, with a temperature falling to around 38 by 3pm. Northwest wind around 15 mph, with gusts as high as 30 mph. Chance of precipitation is 70%. Little or no snow accumulation expected.
Thursday Night
Mostly cloudy during the early evening, then gradual clearing, with a low around 26. Northwest wind 5 to 10 mph.
Friday
Increasing clouds, with a high near 46. Light southwest wind becoming south 10 to 15 mph in the morning. Winds could gust as high as 25 mph.
Friday Night
A slight chance of rain before 2am. Partly cloudy, with a low around 34. West wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 20%.
Saturday
Sunny, with a high near 49.
Saturday Night
Mostly cloudy, with a low around 30.
Sunday
Mostly cloudy, with a high near 50.
Sunday Night
Rain, mainly after 2am. Low around 42. Chance of precipitation is 80%.
Monday
Rain. High near 63. Chance of precipitation is 90%.
Monday Night
A chance of rain. Mostly cloudy, with a low around 27. Chance of precipitation is 50%.
Tuesday
Mostly sunny, with a high near 37.
Tuesday Night
Mostly clear, with a low around 20.
Wednesday
Mostly sunny, with a high near 38.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Belfast PA
 40.77°N 75.29°W (Elev. 502 ft)
Last Update:
4:09 am EDT Mar 12, 2026
Forecast Valid:
5am EDT Mar 12, 2026-6pm EDT Mar 18, 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