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Current Weather Conditions for Castro Valley, CA

Patchy fog between 4am and 5am. Partly cloudy, with a low around 51. North northwest wind around 5 mph.
63°F

Conditions

Wind: 9 mph WSW
Humidity: 86%
Probability of Precipitation: 13%

Hourly Forcast (next 12 hours)

10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM 10 AM
63° 64° 64° 61° 60° 59° 58° 57° 56° 55° 55° 53° 53°

Upcoming Week

Day Forecast High Low
Tonight
Partly Cloudy then Patchy Fog
Patchy fog between 4am and 5am. Partly cloudy, with a low around 51. North northwest wind around 5 mph.
73°F 57°F
Sunday
Slight Chance Light Rain
Patchy fog before 7am, then a slight chance of rain between 11am and 5pm. Partly sunny. High near 66, with temperatures falling to around 63 in the afternoon. South southwest wind 2 to 9 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
73°F 57°F
Sunday Night
Partly Cloudy
Partly cloudy. Low around 50, with temperatures rising to around 52 overnight. West wind 3 to 8 mph.
73°F 57°F
Monday
Sunny
Sunny, with a high near 69. North northeast wind 3 to 10 mph.
73°F 57°F
Monday Night
Mostly Clear
Mostly clear, with a low around 52. North northeast wind 3 to 7 mph.
73°F 57°F
Tuesday
Sunny
Sunny, with a high near 74.
73°F 57°F
Tuesday Night
Mostly Clear
Mostly clear, with a low around 54.
73°F 57°F
Wednesday
Sunny
Sunny, with a high near 76.
73°F 57°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 54.
73°F 57°F
Thursday
Mostly Sunny
Mostly sunny, with a high near 72.
73°F 57°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 53.
73°F 57°F
Friday
Mostly Sunny
Mostly sunny, with a high near 74.
73°F 57°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 54.
73°F 57°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 75.
73°F 57°F
Data provided by weather.gov