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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2 Miles WNW Castro Valley CA

7 Day Forecast

Overnight

Showers Likely Chance for Measurable Precipitation 60%

Showers
Likely

Low: 51 °F

Saturday

Chance Showers Chance for Measurable Precipitation 40%

Chance
Showers

High: 63 °F

Saturday
Night

Patchy Fog

Patchy
Fog

Low: 46 °F

Sunday

Patchy Fog

Patchy
Fog

High: 66 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 47 °F

Monday

Mostly Sunny

Mostly
Sunny

High: 67 °F

Monday
Night

Partly Cloudy

Partly
Cloudy

Low: 50 °F

Tuesday

Mostly Sunny

Mostly
Sunny

High: 70 °F

Tuesday
Night

Mostly Clear

Mostly
Clear

Low: 52 °F

Detailed Forecast

  • Overnight Showers likely. Mostly cloudy, with a low around 51. West northwest wind around 6 mph. Chance of precipitation is 60%.
  • Saturday A chance of showers, with thunderstorms also possible after 11am. Mostly cloudy, with a high near 63. West southwest wind 6 to 10 mph. Chance of precipitation is 40%.
  • Saturday Night Patchy fog after 11pm. Otherwise, partly cloudy, with a low around 46. West wind 5 to 10 mph becoming light and variable in the evening.
  • Sunday Patchy fog before 8am. Otherwise, sunny, with a high near 66. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
  • Sunday Night Mostly clear, with a low around 47. West wind around 5 mph becoming calm in the evening.
  • Monday Mostly sunny, with a high near 67.
  • Monday Night Partly cloudy, with a low around 50.
  • Tuesday Mostly sunny, with a high near 70.
  • Tuesday Night Mostly clear, with a low around 52.
  • Wednesday Sunny, with a high near 75.
  • Wednesday Night Mostly clear, with a low around 54.
  • Thursday Sunny, with a high near 73.
  • Thursday Night Mostly clear, with a low around 52.
  • Friday Sunny, with a high near 72.