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Current Weather Conditions for Castro Valley, CA

Sunny. High near 94, with temperatures falling to around 91 in the afternoon. West southwest wind 1 to 7 mph.
76°F

Conditions

Wind: 1 mph ENE
Humidity: 40%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM
76° 80° 84° 89° 91° 93° 94° 93° 91° 88° 82° 77° 75°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny. High near 94, with temperatures falling to around 91 in the afternoon. West southwest wind 1 to 7 mph.
94°F 62°F
Tonight
Mostly Clear
Mostly clear. Low around 65, with temperatures rising to around 67 overnight. Northwest wind 1 to 6 mph.
94°F 62°F
Friday
Mostly Sunny
Mostly sunny. High near 89, with temperatures falling to around 84 in the afternoon. Southwest wind 1 to 7 mph.
94°F 62°F
Friday Night
Mostly Clear
Mostly clear, with a low around 65. West southwest wind 0 to 5 mph.
94°F 62°F
Saturday
Sunny
Sunny, with a high near 93. North wind 1 to 7 mph.
94°F 62°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 65.
94°F 62°F
Sunday
Sunny
Sunny, with a high near 89.
94°F 62°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 60.
94°F 62°F
Monday
Sunny
Sunny, with a high near 81.
94°F 62°F
Monday Night
Mostly Clear
Mostly clear, with a low around 55.
94°F 62°F
Tuesday
Sunny
Sunny, with a high near 76.
94°F 62°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 55.
94°F 62°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 76.
94°F 62°F
Wednesday Night
Mostly Cloudy
Mostly cloudy, with a low around 54.
94°F 62°F
Data provided by weather.gov