National Weather Service United States Department of Commerce

More precipation for the Pacific Northwest on Sunday

Another quiet day for most of the county on Sunday, but wet and windy weather will remain in the Pacific Northwest and northern Rockies. In some of the higher elevations, the rain will change over to snow during the day on Sunday.
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Current Conditions

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Castro Valley CA

7 Day Forecast

Overnight

Slight Chance Showers Chance for Measurable Precipitation 20%

Slight Chc
Showers

Low: 51 °F

Sunday

Sunny

Sunny

High: 69 °F

Sunday
Night

Mostly Clear

Mostly
Clear

Low: 48 °F

Monday

Sunny

Sunny

High: 69 °F

Monday
Night

Mostly Clear

Mostly
Clear

Low: 49 °F

Tuesday

Sunny

Sunny

High: 73 °F

Tuesday
Night

Partly Cloudy

Partly
Cloudy

Low: 53 °F

Wednesday

Mostly Sunny

Mostly
Sunny

High: 77 °F

Wednesday
Night

Partly Cloudy

Partly
Cloudy

Low: 54 °F

Detailed Forecast

  • Overnight A 20 percent chance of showers. Partly cloudy, with a low around 51. West wind around 5 mph.
  • Sunday Sunny, with a high near 69. North wind 5 to 9 mph.
  • Sunday Night Mostly clear, with a low around 48. Northwest wind 5 to 9 mph becoming light west northwest after midnight.
  • Monday Sunny, with a high near 69. West wind 3 to 6 mph.
  • Monday Night Mostly clear, with a low around 49. South southwest wind 3 to 7 mph.
  • Tuesday Sunny, with a high near 73.
  • Tuesday Night Partly cloudy, with a low around 53.
  • Wednesday Mostly sunny, with a high near 77.
  • Wednesday Night Partly cloudy, with a low around 54.
  • Thursday Mostly sunny, with a high near 74.
  • Thursday Night Mostly cloudy, with a low around 54.
  • Friday A chance of rain. Partly sunny, with a high near 70.
  • Friday Night A chance of rain. Mostly cloudy, with a low around 53.
  • Saturday A chance of showers. Partly sunny, with a high near 68.