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

Dangerous Heat and Possible Flooding

Dangerous heat will persist across the Southwest U.S. through Saturday with daytime highs of 110-115°F. Extreme Heat Warnings remain in effect. Dangerous heat will build across the southern Plains again beginning this weekend. Heavy to excessive rain over the Carolinas Friday may lead to isolated areas of flash flooding. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Fair

57°F

14°C

Humidity 90%
Wind Speed Calm
Barometer 30.21 in (1022.7 mb)
Dewpoint 54°F (12°C)
Visibility 10.00 mi
Last update 29 Aug 4:54 am EDT
Extended Forecast for

Phoenixville PA

  • Today

    Today: Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the afternoon.

    High: 81 °F

    Sunny

  • Tonight

    Tonight: Patchy fog after 1am. Otherwise, mostly clear, with a low around 58. Calm wind.

    Low: 58 °F

    Mostly Clear
    then Patchy
    Fog

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.

    High: 86 °F

    Patchy Fog
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.

    Low: 68 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday

    Monday: A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 86 °F

    Partly Sunny
    then Chance
    Showers

  • Monday Night

    Monday Night: A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 68 °F

    Chance
    Showers

  • Tuesday

    Tuesday: A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

  • Tuesday Night

    Tuesday Night: A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.

    High: 88 °F

    Partly Sunny
    then Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 81. Northeast wind around 5 mph becoming calm in the afternoon.
Tonight
Patchy fog after 1am. Otherwise, mostly clear, with a low around 58. Calm wind.
Sunday
A chance of showers and thunderstorms, mainly after 2pm. Patchy fog before 9am. Otherwise, partly sunny, with a high near 86. Light south wind becoming southwest 5 to 10 mph in the morning. Chance of precipitation is 30%.
Sunday Night
A chance of showers and thunderstorms, mainly before 7pm. Mostly cloudy, with a low around 68. Southwest wind around 5 mph becoming calm. Chance of precipitation is 30%.
Monday
A chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Partly sunny, with a high near 86. Calm wind becoming northwest around 5 mph. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Monday Night
A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and 2am, then a slight chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 68. Chance of precipitation is 40%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Tuesday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Tuesday Night
A chance of showers. Mostly cloudy, with a low around 69. Chance of precipitation is 40%.
Wednesday
A chance of showers after 2pm. Partly sunny, with a high near 88. Chance of precipitation is 30%.
Wednesday Night
A chance of showers before 2am. Mostly cloudy, with a low around 70. Chance of precipitation is 40%.
Thursday
A chance of showers. Partly sunny, with a high near 88. Chance of precipitation is 40%.
Thursday Night
A chance of showers. Partly cloudy, with a low around 65. Chance of precipitation is 30%.
Friday
Mostly sunny, with a high near 83.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Phoenixville PA
 40.13°N 75.53°W (Elev. 157 ft)
Last Update:
4:08 am EDT Aug 29, 2026
Forecast Valid:
5am EDT Aug 29, 2026-6pm EDT Sep 4, 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