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

66°F

19°C

Humidity 78%
Wind Speed W 3 mph
Barometer 29.93 in (1013.1 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 15 Apr 1:51 am EDT
Extended Forecast for

Fullerton PA

  • Overnight

    Overnight: Partly cloudy, with a low around 62. West wind around 5 mph.

    Low: 62 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph.

    High: 89 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. West wind around 5 mph. Chance of precipitation is 20%.

    Low: 65 °F

    Slight Chance
    T-storms then
    Slight Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 87. Southwest wind 5 to 10 mph.

    High: 87 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A slight chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.

    Low: 62 °F

    Slight Chance
    Showers

  • Friday

    Friday: A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 79 °F

    Chance
    Showers then
    Chance
    T-storms

  • Friday Night

    Friday Night: Partly cloudy, with a low around 57.

    Low: 57 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 77.

    High: 77 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.

    Low: 54 °F

    Chance
    Showers

Detailed Forecast

Overnight
Partly cloudy, with a low around 62. West wind around 5 mph.
Wednesday
Mostly sunny, with a high near 89. Southwest wind 5 to 15 mph.
Wednesday Night
A slight chance of showers and thunderstorms before 11pm, then a slight chance of showers between 11pm and 2am. Mostly cloudy, with a low around 65. West wind around 5 mph. Chance of precipitation is 20%.
Thursday
Partly sunny, with a high near 87. Southwest wind 5 to 10 mph.
Thursday Night
A slight chance of showers. Mostly cloudy, with a low around 62. Southwest wind around 5 mph becoming calm in the evening. Chance of precipitation is 20%.
Friday
A chance of showers, with thunderstorms also possible after 2pm. Partly sunny, with a high near 79. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Friday Night
Partly cloudy, with a low around 57.
Saturday
Mostly sunny, with a high near 77.
Saturday Night
A chance of showers. Mostly cloudy, with a low around 54. Chance of precipitation is 40%.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 66. Chance of precipitation is 60%.
Sunday Night
Showers likely. Partly cloudy, with a low around 38. Chance of precipitation is 60%.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly clear, with a low around 31.
Tuesday
Sunny, with a high near 56.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton PA
 40.64°N 75.49°W (Elev. 358 ft)
Last Update:
6:17 pm EDT Apr 14, 2026
Forecast Valid:
2am EDT Apr 15, 2026-6pm EDT Apr 21, 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