National Weather Service United States Department of Commerce

Rainfall and mountain snow will continue across the western U.S. Monday

Heavy precipitation along the west coast will persist with a focus along the Coastal Ranges and Cascades. While not nearly as impressive as recent days, the forecast suggests another 1 to 3 inches of rainfall is possible across this region. Farther inland, moderate to heavy snow is likely over the Wasatch and Colorado Rockies, with 1 to 2 foot amounts possible through Monday.
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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

Chance Rain/Sleet Chance for Measurable Precipitation 30%

Chance
Rain/Sleet

High: 40 °F

Tonight

Rain Chance for Measurable Precipitation 80%

Rain

Low: 33 °F

Tuesday

Chance Rain Chance for Measurable Precipitation 50%

Chance
Rain

High: 47 °F

Tuesday
Night

Rain Likely Chance for Measurable Precipitation 70%

Rain
Likely

Low: 44 °F

Wednesday

Rain Chance for Measurable Precipitation 100%

Rain

High: 57 °F

Wednesday
Night

Rain Chance for Measurable Precipitation 90%

Rain

Low: 45 °F

Christmas
Day

Mostly Cloudy

Mostly
Cloudy

High: 48 °F

Thursday
Night

Partly Cloudy

Partly
Cloudy

Low: 33 °F

Friday

Mostly Sunny

Mostly
Sunny

High: 48 °F

Detailed Forecast

  • This Afternoon A slight chance of rain before 3pm, then a chance of rain and sleet. Cloudy, with a high near 40. Northeast wind 3 to 5 mph. Chance of precipitation is 30%. Little or no sleet accumulation expected.
  • Tonight Periods of rain. Low around 33. Northeast wind 5 to 7 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
  • Tuesday A chance of rain. Cloudy, with a high near 47. East wind around 6 mph becoming light and variable in the morning. Chance of precipitation is 50%. New precipitation amounts of less than a tenth of an inch possible.
  • Tuesday Night Rain likely, mainly after 3am. Cloudy, with a low around 44. Southwest wind around 5 mph becoming calm. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Rain. High near 57. East wind 7 to 13 mph becoming south in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.
  • Wednesday Night Rain, mainly before 5am. Low around 45. Chance of precipitation is 90%. New precipitation amounts between a quarter and half of an inch possible.
  • Christmas Day Mostly cloudy, with a high near 48.
  • Thursday Night Partly cloudy, with a low around 33.
  • Friday Mostly sunny, with a high near 48.
  • Friday Night Partly cloudy, with a low around 36.
  • Saturday Partly sunny, with a high near 47.
  • Saturday Night Mostly cloudy, with a low around 31.
  • Sunday Partly sunny, with a high near 37.