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

Widespread Showers and Thunderstorms in Southern California and the Southern Plains into the Mississippi Valley

Isolated strong to severe thunderstorms and widespread heavy rainfall are possible across the southern Plains into Arkansas. Widespread showers with a slight chance of thunderstorms are possible across southern California. Urban flooding, rock and mudslides as well as minor debris flows near burn scars are possible. Read More >

Current conditions at

Allentown, Lehigh Valley International Airport (KABE)

Lat: 40.65°NLon: 75.45°WElev: 384ft.

Overcast

44°F

7°C

Humidity 65%
Wind Speed SW 3 mph
Barometer 30.14 in (1021.0 mb)
Dewpoint 33°F (1°C)
Visibility 10.00 mi
Last update 20 Nov 11:51 pm EST
Extended Forecast for

Fullerton PA

  • Overnight

    Overnight: Cloudy, with a low around 37. Calm wind.

    Low: 37 °F

    Cloudy

  • Friday

    Friday: Mostly cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.

    High: 55 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Rain likely, mainly after 1am. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 41 °F

    Rain Likely

  • Saturday

    Saturday: A slight chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 51. North wind 5 to 10 mph. Chance of precipitation is 20%.

    High: 51 °F

    Slight Chance
    Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.

    Low: 27 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 34.

    Low: 34 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 54.

    High: 54 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 34.

    Low: 34 °F

    Mostly Cloudy

Detailed Forecast

Overnight
Cloudy, with a low around 37. Calm wind.
Friday
Mostly cloudy, with a high near 55. Calm wind becoming southwest around 5 mph in the afternoon.
Friday Night
Rain likely, mainly after 1am. Cloudy, with a low around 41. Calm wind. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Saturday
A slight chance of rain before 1pm. Cloudy through mid morning, then gradual clearing, with a high near 51. North wind 5 to 10 mph. Chance of precipitation is 20%.
Saturday Night
Partly cloudy, with a low around 27. North wind around 5 mph becoming calm in the evening.
Sunday
Mostly sunny, with a high near 50.
Sunday Night
Mostly clear, with a low around 34.
Monday
Mostly sunny, with a high near 54.
Monday Night
Mostly cloudy, with a low around 34.
Tuesday
A chance of rain after 1pm. Cloudy, with a high near 54. Chance of precipitation is 40%.
Tuesday Night
Rain likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
Mostly cloudy, with a high near 62.
Wednesday Night
A chance of rain. Mostly cloudy, with a low around 38. Chance of precipitation is 30%.
Thanksgiving Day
Partly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fullerton PA
 40.64°N 75.46°W (Elev. 299 ft)
Last Update:
4:09 pm EST Nov 20, 2025
Forecast Valid:
12am EST Nov 21, 2025-6pm EST Nov 27, 2025
 
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