Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Castro Valley, CA

Mostly clear, with a low around 50. Southwest wind around 3 mph.
56°F

Conditions

Wind: 3 mph SSW
Humidity: 66%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM
56° 54° 53° 53° 50° 51° 50° 52° 57° 62° 66° 71° 73°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Clear
Mostly clear, with a low around 50. Southwest wind around 3 mph.
66°F 47°F
Saturday
Sunny
Sunny. High near 78, with temperatures falling to around 75 in the afternoon. West wind 2 to 7 mph.
66°F 47°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 52. Northwest wind 1 to 6 mph.
66°F 47°F
Sunday
Sunny
Sunny, with a high near 81. West wind 1 to 8 mph.
66°F 47°F
Sunday Night
Partly Cloudy
Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph.
66°F 47°F
Monday
Mostly Cloudy
Mostly cloudy, with a high near 72.
66°F 47°F
Monday Night
Mostly Cloudy
Mostly cloudy, with a low around 50.
66°F 47°F
Tuesday
Chance Light Rain
A chance of rain after 11am. Partly sunny, with a high near 67.
66°F 47°F
Tuesday Night
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 48.
66°F 47°F
Wednesday
Chance Light Rain
A chance of rain. Partly sunny, with a high near 66.
66°F 47°F
Wednesday Night
Chance Light Rain
A chance of rain. Mostly cloudy, with a low around 48.
66°F 47°F
Thursday
Slight Chance Light Rain then Sunny
A slight chance of rain before 11am. Sunny, with a high near 63.
66°F 47°F
Thursday Night
Clear
Clear, with a low around 45.
66°F 47°F
Friday
Sunny
Sunny, with a high near 72.
66°F 47°F
Data provided by weather.gov