National Weather Service United States Department of Commerce

Major nor'easter to affect northeastern U.S.

The stage is being set for a major nor'easter to affect parts of the Northeast Monday through Wednesday. This system will be responsible for heavy snowfall and strong winds, with blizzard conditions possible along coastal areas from New Jersey to Massachusetts. Blizzard Warnings are in effect along the coast from central New Jersey to the Canadian border.
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Current Conditions

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Swarthmore PA

7 Day Forecast

For More Weather Information:

Philadelphia, PA Local Forecast Office

Overnight

Rain Chance for Measurable Precipitation 90%

Rain

Low: 29 °F

Monday

Rain/Snow Chance for Measurable Precipitation 100%

Rain/Snow

High: 34 °F

Monday
Night

Heavy Snow Chance for Measurable Precipitation 100%

Heavy
Snow

Low: 24 °F

Tuesday

Snow Chance for Measurable Precipitation 90%

Snow

High: 33 °F

Tuesday
Night

Slight Chance Snow Chance for Measurable Precipitation 20%

Slight Chc
Snow

Low: 16 °F

Wednesday

Sunny

Sunny

High: 28 °F

Wednesday
Night

Mostly Clear

Mostly
Clear

Low: 10 °F

Thursday

Partly Sunny

Partly
Sunny

High: 33 °F

Thursday
Night

Chance Snow Chance for Measurable Precipitation 40%

Chance
Snow

Low: 26 °F

Detailed Forecast

  • Overnight Rain. Low around 29. Northeast wind around 13 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.
  • Monday Rain and snow, becoming all snow after 8am. High near 34. Northeast wind 14 to 16 mph. Chance of precipitation is 100%. New snow accumulation of 1 to 3 inches possible.
  • Monday Night Snow with areas of blowing snow. The snow could be heavy at times. Low around 24. Blustery, with a northeast wind 16 to 21 mph. Chance of precipitation is 100%. New snow accumulation of 4 to 8 inches possible.
  • Tuesday Snow with areas of blowing snow before noon, then snow likely with areas of blowing snow after noon. High near 33. Breezy, with a northwest wind 18 to 20 mph, with gusts as high as 30 mph. Chance of precipitation is 90%. New snow accumulation of 5 to 9 inches possible.
  • Tuesday Night A slight chance of snow showers before midnight. Mostly cloudy, with a low around 16. Northwest wind around 17 mph. Chance of precipitation is 20%.
  • Wednesday Sunny, with a high near 28.
  • Wednesday Night Mostly clear, with a low around 10.
  • Thursday Partly sunny, with a high near 33.
  • Thursday Night A chance of snow. Mostly cloudy, with a low around 26. Chance of precipitation is 40%.
  • Friday A chance of snow. Partly sunny, with a high near 35. Chance of precipitation is 30%.
  • Friday Night Partly cloudy, with a low around 13.
  • Saturday Mostly sunny, with a high near 26.
  • Saturday Night Mostly cloudy, with a low around 14.
  • Sunday A chance of snow showers. Mostly cloudy, with a high near 28. Chance of precipitation is 30%.