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Current Weather Conditions for Castro Valley, CA

Sunny. High near 80, with temperatures falling to around 74 in the afternoon. North northwest wind 2 to 7 mph.
53°F

Conditions

Wind: 2 mph ENE
Humidity: 75%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM
53° 56° 62° 67° 72° 74° 77° 79° 78° 77° 74° 68° 64°

Upcoming Week

Day Forecast High Low
Today
Sunny
Sunny. High near 80, with temperatures falling to around 74 in the afternoon. North northwest wind 2 to 7 mph.
81°F 53°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 49. South southwest wind around 6 mph.
81°F 53°F
Friday
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 69 in the afternoon. Southwest wind 2 to 7 mph.
81°F 53°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 50. West southwest wind around 7 mph.
81°F 53°F
Saturday
Sunny
Sunny, with a high near 77. West northwest wind around 7 mph.
81°F 53°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 52.
81°F 53°F
Sunday
Partly Sunny
Partly sunny, with a high near 84.
81°F 53°F
Sunday Night
Partly Cloudy
Partly cloudy, with a low around 57.
81°F 53°F
Monday
Sunny
Sunny, with a high near 88.
81°F 53°F
Monday Night
Mostly Clear
Mostly clear, with a low around 58.
81°F 53°F
Tuesday
Sunny
Sunny, with a high near 90.
81°F 53°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 58.
81°F 53°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 86.
81°F 53°F
Wednesday Night
Mostly Cloudy
Mostly cloudy, with a low around 57.
81°F 53°F
Data provided by weather.gov