National Weather Service United States Department of Commerce

Unsettled weather forecast across eastern U.S.

A storm system moving across the Great Lakes will bring unsettled weather to parts of the eastern U.S. on Monday, with widespread rain is expected across much of the Northeast. Snow is likely across Wisconsin and the western Great Lakes. Snow is also expected across the central and northern Rockies Monday into Tuesday.
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Hazardous Weather Conditions

Current Conditions

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Downingtown PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

This
Afternoon

Breezy

Breezy

High: 69 °F

Tonight

Partly Cloudy

Partly
Cloudy

Low: 48 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 54 °F

Tuesday
Night

Chance Rain Chance for Measurable Precipitation 40%

Chance
Rain

Low: 35 °F

Wednesday

Rain/Snow Chance for Measurable Precipitation 80%

Rain/Snow

High: 40 °F

Wednesday
Night

Rain/Snow Likely Chance for Measurable Precipitation 70%

Rain/Snow
Likely

Low: 31 °F

Thanksgiving
Day

Partly Sunny

Partly
Sunny

High: 37 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 22 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 35 °F

Detailed Forecast

  • This Afternoon Partly sunny, with a high near 69. Breezy, with a south wind 18 to 21 mph, with gusts as high as 34 mph.
  • Tonight Partly cloudy, with a low around 48. Southwest wind 11 to 16 mph becoming west after midnight.
  • Tuesday Mostly sunny, with a high near 54. West wind 8 to 14 mph.
  • Tuesday Night A chance of rain after 2am. Increasing clouds, with a low around 35. Calm wind becoming northwest around 6 mph after midnight. Chance of precipitation is 40%. New precipitation amounts of less than a tenth of an inch possible.
  • Wednesday Rain before noon, then rain and snow. High near 40. North wind 8 to 10 mph. Chance of precipitation is 80%. New snow accumulation of 1 to 2 inches possible.
  • Wednesday Night Snow likely before midnight, then a chance of rain and snow between midnight and 3am, then a chance of snow after 3am. Cloudy, with a low around 31. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Thanksgiving Day Partly sunny, with a high near 37.
  • Thursday Night Partly cloudy, with a low around 22.
  • Friday Mostly sunny, with a high near 35.
  • Friday Night Mostly cloudy, with a low around 22.
  • Saturday Partly sunny, with a high near 38.
  • Saturday Night Mostly cloudy, with a low around 30.
  • Sunday Partly sunny, with a high near 43.