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.

Fog/Mist

60°F

16°C

Humidity 93%
Wind Speed NE 5 mph
Barometer 30.17 in (1021.2 mb)
Dewpoint 58°F (14°C)
Visibility 6.00 mi
Last update 4 Oct 2:54 pm EDT
Extended Forecast for

Collegeville 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: Patchy fog after 10pm.  Otherwise, mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm  in the evening.

    Low: 55 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, then gradually becoming sunny, with a high near 68. Northwest wind 5 to 15 mph.

    High: 68 °F

    Becoming
    Sunny

  • Monday Night

    Monday Night: Clear, with a low around 44. Northwest wind around 5 mph.

    Low: 44 °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 43.

    Low: 43 °F

    Clear

  • Wednesday

    Wednesday: Sunny, with a high near 69.

    High: 69 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 51.

    Low: 51 °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
Patchy fog after 10pm. Otherwise, mostly cloudy, with a low around 55. Northeast wind around 5 mph becoming calm in the evening.
Monday
Partly sunny, then gradually becoming sunny, with a high near 68. Northwest wind 5 to 15 mph.
Monday Night
Clear, with a low around 44. Northwest wind around 5 mph.
Tuesday
Sunny, with a high near 63. Northwest wind around 5 mph.
Tuesday Night
Clear, with a low around 43.
Wednesday
Sunny, with a high near 69.
Wednesday Night
Mostly clear, with a low around 51.
Thursday
Sunny, with a high near 73.
Thursday Night
Mostly clear, with a low around 50.
Friday
Sunny, with a high near 71.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 69.
Saturday Night
Partly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 68.
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ABOUT THIS FORECAST

 
Point Forecast:
Collegeville PA
 40.19°N 75.46°W (Elev. 200 ft)
4:09 am EDT Oct 4, 2026
3pm EDT Oct 4, 2026-6pm EDT Oct 11, 2026
 
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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