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Regional Weather Forecast

Tonight
Chance of Rain

Tonight: Partly cloudy in the evening then becoming mostly cloudy. A slight chance of rain in the evening, then a chance of rain after midnight. Lows in the mid 60s. West winds 10 to 20 mph...Becoming south 5 to 10 mph after midnight.

Tuesday Sep 9
Chance of Showers

Day: Mostly cloudy. A chance of rain in the morning, then a chance of showers in the afternoon. Highs in the 70s. Southwest winds 5 to 10 mph...Becoming west 10 to 20 mph in the afternoon.

Night: Partly cloudy in the evening then becoming mostly cloudy. A chance of showers after midnight. Lows in the lower 60s. West winds 10 to 20 mph...Becoming 5 to 10 mph after midnight.

Wednesday Sep 10
Chance of Showers

Day: Mostly cloudy. A chance of showers. Highs in the lower to mid 70s. Southwest winds 5 to 10 mph...Becoming west 10 to 20 mph in the afternoon. Chance of showers 30 percent.

Night: Partly cloudy in the evening then becoming mostly cloudy. Lows in the lower 60s. West winds 10 to 20 mph.

Thursday Sep 11
Partly Cloudy

Day: Mostly cloudy in the morning then becoming partly cloudy. Highs in the 70s.

Night: Partly cloudy. Lows in the lower 60s. Highs in the 70s.

Friday Sep 12
Partly Cloudy

Day: Partly cloudy. Lows in the lower 60s. Highs in the 70s.

Saturday Sep 13
Partly Cloudy

Day: Partly cloudy. Lows in the lower 60s. Highs in the 70s.

Sunday Sep 14
Partly Cloudy

Day: Partly cloudy. Lows in the lower 60s. Highs in the 70s.

Monday Sep 15
Chance of Rain

Day: Mostly cloudy in the morning then becoming partly cloudy. A slight chance of rain. Highs in the 70s to lower 80s.

Night: Mostly clear. Lows around 60. Highs in the mid 70s to lower 80s.


More Local Weather Information

Castro Valley Weather Warnings
Castro Valley Doppler Radar
About California Weather
California Barometric Pressure
California Radar Map