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

Prolonged Atmospheric River Will Impact the Northwest Early this Week

A weather system in the Pacific Northwest will produce rain throughout the day, before a potent atmospheric river produces a prolonged round of heavy rainfall, widespread urban and river flooding, and high elevation snow to the region Monday through Wednesday. Showers and thunderstorms may produce isolated damaging winds, a brief tornado, and locally heavy rainfall across parts of Florida today. Read More >

Current conditions at

Pottstown, Pottstown Limerick Airport (KPTW)

Lat: 40.24°NLon: 75.55°WElev: 288ft.

Overcast

39°F

4°C

Humidity 55%
Wind Speed SW 5 mph
Barometer 30.06 in (1018.0 mb)
Dewpoint 24°F (-4°C)
Visibility 9.00 mi
Wind Chill35°F (2°C)
Last update 7 Dec 2:54 pm EST
Extended Forecast for

Royersford PA

  • Tonight

    Tonight: Partly cloudy, with a low around 22. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.

    Low: 22 °F

    Partly Cloudy

  • Monday

    Monday: Partly sunny, with a high near 31. North wind 5 to 15 mph.

    High: 31 °F

    Partly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 9. North wind around 5 mph becoming calm.

    Low: 9 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 33. Light and variable wind becoming south 5 to 10 mph in the afternoon.

    High: 33 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 26. Southwest wind around 5 mph.

    Low: 26 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 50%.

    High: 45 °F

    Chance
    Rain/Snow

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 31.

    Low: 31 °F

    Mostly Cloudy

  • Thursday

    Thursday: Partly sunny, with a high near 42.

    High: 42 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.

    Low: 26 °F

    Chance
    Rain/Snow

Detailed Forecast

Tonight
Partly cloudy, with a low around 22. Light and variable wind becoming northwest 5 to 10 mph after midnight. Winds could gust as high as 20 mph.
Monday
Partly sunny, with a high near 31. North wind 5 to 15 mph.
Monday Night
Partly cloudy, with a low around 9. North wind around 5 mph becoming calm.
Tuesday
Mostly sunny, with a high near 33. Light and variable wind becoming south 5 to 10 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 26. Southwest wind around 5 mph.
Wednesday
A chance of rain and snow before 1pm, then a chance of rain. Cloudy, with a high near 45. Chance of precipitation is 50%.
Wednesday Night
Mostly cloudy, with a low around 31.
Thursday
Partly sunny, with a high near 42.
Thursday Night
A chance of rain and snow before 1am, then a chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
Friday
A chance of rain and snow. Mostly cloudy, with a high near 38. Chance of precipitation is 40%.
Friday Night
A chance of snow. Mostly cloudy, with a low around 19. Chance of precipitation is 30%.
Saturday
Partly sunny, with a high near 31.
Saturday Night
Partly cloudy, with a low around 17.
Sunday
Mostly sunny, with a high near 29.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Royersford PA
 40.2°N 75.55°W (Elev. 197 ft)
Last Update:
6:32 am EST Dec 7, 2025
Forecast Valid:
3pm EST Dec 7, 2025-6pm EST Dec 14, 2025
 
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