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

Tropical Depression Nine Forms; Heavy Rainfall in the Southwest and Southeast this Weekend

Tropical Depression Nine has formed and will continue to slowly move to the north-northwest in the coming days. As the storm passes close to the east coast of Florida, tropical storm conditions are possible Sunday through Monday. Tropical Storm Watches have been issued. Significant uncertainty remains in the track and intensity, but chances for impacts to the Southeast are increasing. Read More >

Hazardous Weather Conditions

Current conditions at

Philadelphia - Wings Field Airport (KLOM)

Lat: 40.14°NLon: 75.27°WElev: 282ft.

Fair

65°F

18°C

Humidity 96%
Wind Speed Calm
Barometer 30.08 in
Dewpoint 64°F (18°C)
Visibility 10.00 mi
Last update 28 Sep 8:35 am EDT
Extended Forecast for

Norristown PA

  • Today

    Today: Patchy fog before 10am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest around 5 mph.

    High: 83 °F

    Patchy Fog
    then Sunny

  • Tonight

    Tonight: Patchy fog after 11pm. Otherwise, mostly clear, with a low around 62. Calm wind.

    Low: 62 °F

    Patchy Fog

  • Monday

    Monday: Partly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon.

    High: 81 °F

    Partly Sunny

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm.

    Low: 62 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.

    High: 79 °F

    Mostly Cloudy

  • Tuesday Night

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

    Low: 56 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 70.

    High: 70 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: Mostly clear, with a low around 48.

    Low: 48 °F

    Mostly Clear

  • Thursday

    Thursday: Sunny, with a high near 66.

    High: 66 °F

    Sunny

Detailed Forecast

Today
Patchy fog before 10am. Otherwise, sunny, with a high near 83. Calm wind becoming northwest around 5 mph.
Tonight
Patchy fog after 11pm. Otherwise, mostly clear, with a low around 62. Calm wind.
Monday
Partly sunny, with a high near 81. North wind around 5 mph becoming east in the afternoon.
Monday Night
Mostly cloudy, with a low around 62. East wind around 5 mph becoming calm.
Tuesday
Mostly cloudy, with a high near 79. Northeast wind 5 to 10 mph.
Tuesday Night
Mostly cloudy, with a low around 56.
Wednesday
Mostly sunny, with a high near 70.
Wednesday Night
Mostly clear, with a low around 48.
Thursday
Sunny, with a high near 66.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Mostly sunny, with a high near 69.
Friday Night
Mostly clear, with a low around 48.
Saturday
Sunny, with a high near 75.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Norristown PA
 40.11°N 75.33°W (Elev. 177 ft)
Last Update:
4:10 am EDT Sep 28, 2025
Forecast Valid:
8am EDT Sep 28, 2025-6pm EDT Oct 4, 2025
 
Forecast Discussion
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation