National Weather Service United States Department of Commerce

Unsettled weather in store for eastern U.S. into weekend

A complex weather system moving across the eastern U.S. will bring a variety of hazardous weather to the region into the weekend. Much colder weather is expected by Saturday, along with numerous showers and accumulating snow in the higher elevations of the Appalachians. Rain and snow will move into northern New England on Sunday.
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Current Conditions

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San Francisco CA

7 Day Forecast

Tonight

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 12 °C

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 18 °C

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 11 °C

Sunday

Patchy Fog

Patchy
Fog

High: 19 °C

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 12 °C

Monday

Mostly Sunny

Mostly
Sunny

High: 19 °C

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 12 °C

Tuesday

Mostly Sunny

Mostly
Sunny

High: 20 °C

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 13 °C

Detailed Forecast

  • Tonight Showers likely and possibly a thunderstorm. Some of the storms could produce small hail. Mostly cloudy, with a low around 12. Northwest wind 11 to 21 km/h. Chance of precipitation is 60%.
  • Saturday A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 18. West wind 5 to 10 km/h increasing to 13 to 18 km/h in the afternoon.
  • Saturday Night Patchy fog after 11pm. Otherwise, mostly clear, with a low around 11. West wind 16 to 21 km/h becoming light and variable.
  • Sunday Patchy fog before 8am. Otherwise, sunny, with a high near 19. North northwest wind 5 to 10 km/h.
  • Sunday Night Mostly clear, with a low around 12. West wind 11 to 16 km/h becoming light west northwest in the evening.
  • Monday Mostly sunny, with a high near 19.
  • Monday Night Partly cloudy, with a low around 12.
  • Tuesday Mostly sunny, with a high near 20.
  • Tuesday Night Partly cloudy, with a low around 13.
  • Wednesday Sunny, with a high near 23.
  • Wednesday Night Mostly clear, with a low around 14.
  • Thursday Sunny, with a high near 22.
  • Thursday Night A slight chance of rain. Partly cloudy, with a low around 13.
  • Friday Mostly sunny, with a high near 21.