Briefing for Impacts from Hurricane Erin through Friday

Hurricane Erin is expected to bring several coastal and marine hazards to the coasts of New Jersey and Delaware through Friday. Widespread coastal flooding, high surf, high risk of rip currents, beach erosion, and dangerous marine conditions are forecast. View this briefing for details on these threats. Read More >

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

60°F

16°C

Humidity 95%
Wind Speed NA
Barometer 29.97 in
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 22 Aug 12:55 am EDT
Extended Forecast for

Norristown PA

  • Overnight

    Overnight: Clear, with a low around 57. North wind around 5 mph.

    Low: 57 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 83. North wind 5 to 10 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: Clear, with a low around 60. Calm wind.

    Low: 60 °F

    Clear

  • Saturday

    Saturday: Sunny, with a high near 85. Light southwest wind becoming south 5 to 10 mph in the afternoon.

    High: 85 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 64. South wind around 5 mph.

    Low: 64 °F

    Mostly Clear

  • Sunday

    Sunday: A chance of showers, mainly after 2pm.  Mostly cloudy, with a high near 84. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    High: 84 °F

    Chance
    Showers

  • Sunday Night

    Sunday Night: Showers likely, mainly after 8pm.  Mostly cloudy, with a low around 67. Chance of precipitation is 60%.

    Low: 67 °F

    Showers
    Likely

  • Monday

    Monday: A chance of showers.  Partly sunny, with a high near 82. Chance of precipitation is 30%.

    High: 82 °F

    Chance
    Showers

  • Monday Night

    Monday Night: Mostly clear, with a low around 60.

    Low: 60 °F

    Mostly Clear

Detailed Forecast

Overnight
Clear, with a low around 57. North wind around 5 mph.
Friday
Sunny, with a high near 83. North wind 5 to 10 mph.
Friday Night
Clear, with a low around 60. Calm wind.
Saturday
Sunny, with a high near 85. Light southwest wind becoming south 5 to 10 mph in the afternoon.
Saturday Night
Mostly clear, with a low around 64. South wind around 5 mph.
Sunday
A chance of showers, mainly after 2pm. Mostly cloudy, with a high near 84. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Showers likely, mainly after 8pm. Mostly cloudy, with a low around 67. Chance of precipitation is 60%.
Monday
A chance of showers. Partly sunny, with a high near 82. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 60.
Tuesday
Sunny, with a high near 78.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 77.
Wednesday Night
Mostly clear, with a low around 55.
Thursday
Sunny, with a high near 80.
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ABOUT THIS FORECAST

 
Point Forecast:
Norristown PA
 40.11°N 75.33°W (Elev. 177 ft)
4:10 pm EDT Aug 21, 2025
1am EDT Aug 22, 2025-6pm EDT Aug 28, 2025
 
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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