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.

Fair

63°F

17°C

Humidity 68%
Wind Speed N 16 G 26 mph
Barometer 30.07 in
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 15 Oct 1:54 am EDT
Extended Forecast for

Collegeville PA

  • Overnight

    Overnight: Partly cloudy, with a low around 53. North wind around 5 mph.

    Low: 53 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly sunny, with a high near 65. North wind around 5 mph becoming east in the afternoon.

    High: 65 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 55 °F

    Mostly Cloudy
    then Showers
    Likely

  • Friday

    Friday: A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    High: 78 °F

    Chance
    Showers

  • Friday Night

    Friday Night: Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 45 °F

    Showers
    Likely

  • Saturday

    Saturday: A chance of showers before 8am. Mostly sunny, with a high near 53. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 53 °F

    Breezy.
    Chance
    Showers then
    Mostly Sunny

  • Saturday Night

    Saturday Night: Areas of frost. Otherwise, mostly clear, with a low around 35.

    Low: 35 °F

    Areas Frost

  • Sunday

    Sunday: Areas of frost before 10am. Otherwise, sunny, with a high near 57.

    High: 57 °F

    Areas Frost
    then Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 37.

    Low: 37 °F

    Mostly Clear

Detailed Forecast

Overnight
Partly cloudy, with a low around 53. North wind around 5 mph.
Thursday
Mostly sunny, with a high near 65. North wind around 5 mph becoming east in the afternoon.
Thursday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 55. Southeast wind around 5 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Friday
A chance of showers before 8am, then a chance of showers and thunderstorms after 5pm. Cloudy through mid morning, then gradual clearing, with a high near 78. Southwest wind around 10 mph, with gusts as high as 20 mph. Chance of precipitation is 30%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday Night
Showers likely and possibly a thunderstorm. Mostly cloudy, with a low around 45. West wind 10 to 15 mph becoming northwest after midnight. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A chance of showers before 8am. Mostly sunny, with a high near 53. Breezy. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
Areas of frost. Otherwise, mostly clear, with a low around 35.
Sunday
Areas of frost before 10am. Otherwise, sunny, with a high near 57.
Sunday Night
Mostly clear, with a low around 37.
Monday
Mostly sunny, with a high near 62.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 65.
Tuesday Night
Partly cloudy, with a low around 43.
Wednesday
Sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Collegeville PA
 40.19°N 75.46°W (Elev. 200 ft)
Last Update:
2:27 am EDT Oct 15, 2026
Forecast Valid:
2am EDT Oct 15, 2026-6pm EDT Oct 21, 2026
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation