National Weather Service United States Department of Commerce

Unseasonably cold temperatures spreading into central U.S.

A strong cold front will usher a much colder air mass into the central and eastern U.S. for the end of the work week. Temperatures will be 10 to 20 degrees below average in some areas. Rain and snow will be possible across the Great Lakes on Friday as the system crosses the area. Heavy snow is possible in the central Appalachians Friday night.
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Current Conditions

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2 Miles ENE San Francisco CA

7 Day Forecast

Today

Showers Chance for Measurable Precipitation 100%

Showers

High: 63 °F

Tonight

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 56 °F

Saturday

Chance Showers Chance for Measurable Precipitation 30%

Chance
Showers

High: 63 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 54 °F

Sunday

Patchy Fog

Patchy
Fog

High: 66 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 54 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 67 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 54 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 68 °F

Detailed Forecast

  • Today Showers, with thunderstorms also possible after 11am. High near 63. South wind 5 to 10 mph becoming north northwest in the morning. Chance of precipitation is 100%.
  • Tonight Showers likely and possibly a thunderstorm. Some of the storms could produce small hail. Mostly cloudy, with a low around 56. Calm wind becoming west 5 to 9 mph after midnight. Chance of precipitation is 60%.
  • Saturday A 30 percent chance of showers, mainly before 11am. Partly sunny, with a high near 63. West wind 6 to 14 mph, with gusts as high as 18 mph.
  • Saturday Night Patchy fog after 11pm. Otherwise, mostly clear, with a low around 54. North northwest wind 6 to 13 mph.
  • Sunday Patchy fog before 8am. Otherwise, sunny, with a high near 66. North northwest wind around 5 mph.
  • Sunday Night Mostly clear, with a low around 54.
  • Monday Mostly sunny, with a high near 67.
  • Monday Night Partly cloudy, with a low around 54.
  • Tuesday Mostly sunny, with a high near 68.
  • Tuesday Night Partly cloudy, with a low around 56.
  • Wednesday Sunny, with a high near 72.
  • Wednesday Night Mostly clear, with a low around 57.
  • Thursday Sunny, with a high near 71.