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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

Quakertown Airport (KUKT)

Lat: 40.44°NLon: 75.38°WElev: 509ft.

Overcast

43°F

6°C

Humidity 76%
Wind Speed Calm
Barometer 30.16 in
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 20 Nov 7:55 pm EST
Extended Forecast for

Mertztown PA

  • Tonight

    Tonight: Cloudy, with a low around 38. Calm wind.

    Low: 38 °F

    Cloudy

  • Friday

    Friday: A slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 51 °F

    Mostly Cloudy
    then Slight
    Chance Rain

  • Friday Night

    Friday Night: Rain likely, mainly after 7pm. Cloudy, with a low around 42. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 42 °F

    Rain Likely

  • Saturday

    Saturday: A chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 48 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 29. North wind 5 to 10 mph becoming light northwest after midnight.

    Low: 29 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 47.

    High: 47 °F

    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 51.

    High: 51 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 36.

    Low: 36 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Cloudy, with a low around 38. Calm wind.
Friday
A slight chance of rain between 3pm and 4pm. Mostly cloudy, with a high near 51. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.
Friday Night
Rain likely, mainly after 7pm. Cloudy, with a low around 42. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A chance of rain before 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 48. North wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Partly cloudy, with a low around 29. North wind 5 to 10 mph becoming light northwest after midnight.
Sunday
Sunny, with a high near 47.
Sunday Night
Mostly clear, with a low around 34.
Monday
Mostly sunny, with a high near 51.
Monday Night
Mostly cloudy, with a low around 36.
Tuesday
A chance of rain after 1pm. Cloudy, with a high near 51. Chance of precipitation is 50%.
Tuesday Night
Rain likely. Cloudy, with a low around 47. Chance of precipitation is 70%.
Wednesday
A chance of rain. Mostly cloudy, with a high near 59. Chance of precipitation is 30%.
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 46.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Mertztown PA
 40.48°N 75.67°W (Elev. 896 ft)
Last Update:
4:09 pm EST Nov 20, 2025
Forecast Valid:
8pm EST Nov 20, 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