



Dangerous Heat in the West; Coastal Flooding & High Rip Current Risk through the Weekend on the East Coast; Flash Flooding Concerns in the Southeast and Southwest
A dangerous, record heat wave continues across portions of the West through Tuesday. High rip current risk and dangerous surf continue through the weekend. There are flash flooding concerns through the weekend for portions of the Southeast and Southwest. Read More >
Current conditions at
Pottstown, Pottstown Limerick Airport (KPTW)
Lat: 40.24°NLon: 75.55°WElev: 288ft.
Fair
72°F
22°C
Humidity | 61% |
Wind Speed | S 6 mph |
Barometer | 30.04 in (1016.9 mb) |
Dewpoint | 58°F (14°C) |
Visibility | 10.00 mi |
Last update | 23 Aug 8:54 pm EDT |
Extended Forecast for
Collegeville PA
Tonight
Low: 63 °F
Partly Cloudy
Sunday
High: 84 °F
Partly Sunny
then Slight
Chance
ShowersSunday Night
Low: 65 °F
Chance
ShowersMonday
High: 83 °F
Mostly Sunny
Monday Night
Low: 58 °F
Mostly Clear
Tuesday
High: 78 °F
Sunny
Tuesday Night
Low: 55 °F
Partly Cloudy
Wednesday
High: 76 °F
Sunny
Wednesday Night
Low: 52 °F
Mostly Clear
Detailed Forecast
Tonight
Partly cloudy, with a low around 63. South wind around 5 mph.
Sunday
A slight chance of showers after 2pm. Partly sunny, with a high near 84. South wind 5 to 10 mph. Chance of precipitation is 20%.
Sunday Night
A slight chance of thunderstorms, then a chance of showers and thunderstorms after 8pm. Mostly cloudy, with a low around 65. South wind around 5 mph becoming calm in the evening. Chance of precipitation is 50%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday
Mostly sunny, with a high near 83. Light west wind increasing to 5 to 10 mph in the morning.
Monday Night
Mostly clear, with a low around 58. West wind around 5 mph.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Partly cloudy, with a low around 55.
Wednesday
Sunny, with a high near 76.
Wednesday Night
Mostly clear, with a low around 52.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
Partly cloudy, with a low around 56.
Friday
Mostly sunny, with a high near 80.
Friday Night
Partly cloudy, with a low around 55.
Saturday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Collegeville PA
40.17°N 75.46°W (Elev. 98 ft)
40.17°N 75.46°W (Elev. 98 ft)
4:11 pm EDT Aug 23, 2025
9pm EDT Aug 23, 2025-6pm EDT Aug 30, 2025