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

73°F

23°C

Humidity 35%
Wind Speed SW 13 G 23 mph
Barometer 29.82 in (1009.6 mb)
Dewpoint 44°F (7°C)
Visibility 10.00 mi
Last update 26 Mar 2:51 pm EDT
Extended Forecast for

Fullerton PA

  • Tonight

    Tonight: Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 47. Southwest wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 47 °F

    Showers
    Likely then
    Showers

  • Friday

    Friday: A chance of rain, mainly before 11am. Mostly cloudy, with a high near 50. North wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.

    High: 50 °F

    Chance Rain

  • Friday Night

    Friday Night: Partly cloudy, with a low around 27. North wind 5 to 10 mph.

    Low: 27 °F

    Partly Cloudy

  • Saturday

    Saturday: Sunny, with a high near 43. Northwest wind 10 to 15 mph.

    High: 43 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 26. Calm wind.

    Low: 26 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 53.

    High: 53 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 37.

    Low: 37 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 59.

    High: 59 °F

    Partly Sunny

  • Monday Night

    Monday Night: A chance of rain after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.

    Low: 46 °F

    Chance Rain

Detailed Forecast

Tonight
Showers and thunderstorms likely, then showers and possibly a thunderstorm after midnight. Low around 47. Southwest wind 10 to 15 mph becoming west after midnight. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
Friday
A chance of rain, mainly before 11am. Mostly cloudy, with a high near 50. North wind 10 to 15 mph. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
Friday Night
Partly cloudy, with a low around 27. North wind 5 to 10 mph.
Saturday
Sunny, with a high near 43. Northwest wind 10 to 15 mph.
Saturday Night
Partly cloudy, with a low around 26. Calm wind.
Sunday
Mostly sunny, with a high near 53.
Sunday Night
Partly cloudy, with a low around 37.
Monday
Partly sunny, with a high near 59.
Monday Night
A chance of rain after 8pm. Mostly cloudy, with a low around 46. Chance of precipitation is 40%.
Tuesday
A chance of rain. Mostly cloudy, with a high near 62. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Mostly cloudy, with a low around 45. Chance of precipitation is 60%.
Wednesday
Rain likely. Mostly cloudy, with a high near 62. Chance of precipitation is 60%.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 49. Chance of precipitation is 40%.
Thursday
A chance of rain. Mostly cloudy, with a high near 72. Chance of precipitation is 40%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Fullerton PA
 40.64°N 75.49°W (Elev. 358 ft)
Last Update:
12:06 pm EDT Mar 26, 2026
Forecast Valid:
3pm EDT Mar 26, 2026-6pm EDT Apr 2, 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