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

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

55°F

13°C

Humidity 93%
Wind Speed N 6 mph
Barometer 29.78 in (1008.1 mb)
Dewpoint 53°F (12°C)
Visibility 10.00 mi
Wind Chill54°F (12°C)
Last update 12 Oct 2:54 am EDT
Extended Forecast for

Collegeville PA

  • Overnight

    Overnight: Showers likely, mainly before 4am. Cloudy, with a low around 57. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 57 °F

    Showers
    Likely

  • Columbus Day

    Columbus Day: A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 74 °F

    Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.

    Low: 54 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 77 °F

    Gradual
    Clearing

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 62. Southwest wind around 5 mph.

    Low: 62 °F

    Mostly Clear

  • Wednesday

    Wednesday: Sunny, with a high near 78.

    High: 78 °F

    Sunny

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 56.

    Low: 56 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 68.

    High: 68 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: A chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 50%.

    Low: 52 °F

    Partly Cloudy
    then Chance
    Showers

Detailed Forecast

Overnight
Showers likely, mainly before 4am. Cloudy, with a low around 57. Northeast wind around 10 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Columbus Day
A chance of showers, mainly before 7am. Mostly cloudy, then gradually becoming sunny, with a high near 74. North wind 5 to 10 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 54. Northwest wind around 5 mph becoming calm.
Tuesday
Cloudy through mid morning, then gradual clearing, with a high near 77. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 62. Southwest wind around 5 mph.
Wednesday
Sunny, with a high near 78.
Wednesday Night
Mostly cloudy, with a low around 56.
Thursday
Mostly sunny, with a high near 68.
Thursday Night
A chance of showers after 2am. Partly cloudy, with a low around 52. Chance of precipitation is 50%.
Friday
Showers likely, mainly after 8am. Mostly cloudy, with a high near 69. Chance of precipitation is 60%.
Friday Night
A chance of showers. Mostly cloudy, with a low around 46. Chance of precipitation is 30%.
Saturday
Mostly sunny, with a high near 55. Breezy.
Saturday Night
Partly cloudy, with a low around 36.
Sunday
Sunny, with a high near 55.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collegeville PA
 40.17°N 75.46°W (Elev. 98 ft)
Last Update:
9:22 pm EDT Oct 11, 2026
Forecast Valid:
3am EDT Oct 12, 2026-6pm EDT Oct 18, 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