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

64°F

18°C

Humidity 54%
Wind Speed Vrbl 5 mph
Barometer 30.21 in (1022.8 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 15 Oct 12:51 pm EDT
Extended Forecast for

Belfast PA

  • This Afternoon

    This Afternoon: Mostly sunny, with a high near 64. East wind around 5 mph.

    High: 64 °F

    Mostly Sunny

  • Tonight

    Tonight: Showers, mainly after midnight. Low around 53. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 53 °F

    Mostly Cloudy
    then Showers

  • Friday

    Friday: Showers likely, then showers and possibly a thunderstorm after 5pm. High near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 76 °F

    Showers

  • Friday Night

    Friday Night: Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 44. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 44 °F

    Showers then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 51. Breezy, with a north wind 15 to 20 mph.

    High: 51 °F

    Mostly Sunny
    and Breezy

  • Saturday Night

    Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 33.

    Low: 33 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 56.

    High: 56 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 36.

    Low: 36 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 60.

    High: 60 °F

    Sunny

Detailed Forecast

This Afternoon
Mostly sunny, with a high near 64. East wind around 5 mph.
Tonight
Showers, mainly after midnight. Low around 53. Southeast wind around 5 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Friday
Showers likely, then showers and possibly a thunderstorm after 5pm. High near 76. Southwest wind 5 to 10 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers and possibly a thunderstorm before 8pm, then a chance of showers between 8pm and 2am. Low around 44. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
Mostly sunny, with a high near 51. Breezy, with a north wind 15 to 20 mph.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 33.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 56.
Sunday Night
Mostly clear, with a low around 36.
Monday
Sunny, with a high near 60.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Mostly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Belfast PA
 40.79°N 75.26°W (Elev. 554 ft)
Last Update:
4:09 am EDT Oct 15, 2026
Forecast Valid:
1pm EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation