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

Excessive Rainfall Possible This Weekend; October Heat Wave in California

A slow moving front will be the focus area for heavy to excessive rainfall and a threat for flash/urban flooding across the northern Gulf Coast and Southeast U.S. through this weekend. Abnormally hot, potentially record-breaking, temperatures will impact southern California and stretch north toward the Bay Area and Central Valley into next week. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Light Rain Fog/Mist

59°F

15°C

Humidity 96%
Wind Speed E 8 mph
Barometer 30.19 in (1021.9 mb)
Dewpoint 58°F (14°C)
Visibility 2.50 mi
Last update 4 Oct 1:54 pm EDT
Extended Forecast for

King of Prussia PA

  • This Afternoon

    This Afternoon: A chance of showers. Cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 64 °F

    Chance
    Showers

  • Tonight

    Tonight: A chance of showers, mainly before 7pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Chance
    Showers and
    Patchy Fog
    then Patchy
    Fog

  • Monday

    Monday: Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Northwest wind 5 to 15 mph.

    High: 69 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 46. Northwest wind around 5 mph.

    Low: 46 °F

    Clear

  • Tuesday

    Tuesday: Sunny, with a high near 63. Northwest wind around 5 mph.

    High: 63 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 52.

    Low: 52 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 73.

    High: 73 °F

    Sunny

Detailed Forecast

This Afternoon
A chance of showers. Cloudy, with a high near 64. East wind around 5 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A chance of showers, mainly before 7pm. Patchy fog before 11pm, then patchy fog after midnight. Otherwise, mostly cloudy, with a low around 56. Northeast wind around 5 mph becoming calm. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday
Mostly cloudy through mid morning, then gradual clearing, with a high near 69. Northwest wind 5 to 15 mph.
Monday Night
Clear, with a low around 46. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 63. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 45.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 52.
Friday
Sunny, with a high near 72.
Friday Night
Mostly clear, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
King of Prussia PA
 40.12°N 75.39°W (Elev. 118 ft)
Last Update:
4:09 am EDT Oct 4, 2026
Forecast Valid:
2pm EDT Oct 4, 2026-6pm EDT Oct 10, 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