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Current Weather Conditions for Castro Valley, CA

Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. East wind around 5 mph.
44°F

Conditions

Wind: 3 mph E
Humidity: 82%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM
44° 44° 43° 44° 43° 43° 45° 48° 52° 57° 59° 60° 62°

Upcoming Week

Day Forecast High Low
Overnight
Mostly Cloudy
Mostly cloudy. Low around 42, with temperatures rising to around 44 overnight. East wind around 5 mph.
64°F 49°F
Tuesday
Partly Sunny then Light Rain Likely
Rain likely after 4pm. Partly sunny. High near 63, with temperatures falling to around 58 in the afternoon. South southeast wind around 7 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
64°F 49°F
Tuesday Night
Light Rain Likely
Rain likely before 4am. Mostly cloudy, with a low around 49. South wind 2 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
64°F 49°F
Wednesday
Partly Sunny
Partly sunny, with a high near 62. North northeast wind 2 to 6 mph.
64°F 49°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 43. North northeast wind 2 to 6 mph.
64°F 49°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 64.
64°F 49°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 46.
64°F 49°F
Friday
Partly Sunny
Partly sunny, with a high near 65.
64°F 49°F
Friday Night
Mostly Cloudy
Mostly cloudy, with a low around 46.
64°F 49°F
Saturday
Partly Sunny
Partly sunny, with a high near 66.
64°F 49°F
Saturday Night
Slight Chance Light Rain
A slight chance of rain after 10pm. Mostly cloudy, with a low around 48.
64°F 49°F
Sunday
Slight Chance Light Rain
A slight chance of rain. Partly sunny, with a high near 65.
64°F 49°F
Sunday Night
Slight Chance Light Rain then Mostly Cloudy
A slight chance of rain before 10pm. Mostly cloudy, with a low around 48.
64°F 49°F
Monday
Mostly Sunny
Mostly sunny, with a high near 66.
64°F 49°F
Data provided by weather.gov