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Current Weather Conditions for Castro Valley, CA

Mostly sunny. High near 70, with temperatures falling to around 66 in the afternoon. West wind around 13 mph.
67°F

Conditions

Wind: 12 mph W
Humidity: 47%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM 8 AM 9 AM
67° 69° 67° 66° 65° 61° 58° 56° 55° 54° 53° 52° 52°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny. High near 70, with temperatures falling to around 66 in the afternoon. West wind around 13 mph.
69°F 54°F
Tonight
Partly Cloudy then Chance Light Rain
A chance of rain after 5am. Partly cloudy, with a low around 50. South southwest wind 6 to 12 mph. Chance of precipitation is 40%.
69°F 54°F
Monday
Rain
Rain. Partly sunny. High near 68, with temperatures falling to around 62 in the afternoon. South wind 8 to 14 mph, with gusts as high as 21 mph. Chance of precipitation is 80%. New rainfall amounts between a quarter and half of an inch possible.
69°F 54°F
Monday Night
Rain
Rain. Cloudy, with a low around 52. Southwest wind 1 to 9 mph, with gusts as high as 18 mph. Chance of precipitation is 90%. New rainfall amounts between a half and three quarters of an inch possible.
69°F 54°F
Tuesday
Showers And Thunderstorms
Rain before 11am, then showers and thunderstorms. Cloudy, with a high near 61. South southwest wind 6 to 12 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a quarter and half of an inch possible.
69°F 54°F
Tuesday Night
Showers And Thunderstorms Likely then Light Rain Likely
Showers and thunderstorms likely before 8pm, then rain likely. Mostly cloudy, with a low around 50. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch possible.
69°F 54°F
Wednesday
Chance Light Rain
A chance of rain before 5pm. Mostly sunny, with a high near 63.
69°F 54°F
Wednesday Night
Mostly Clear
Mostly clear, with a low around 47.
69°F 54°F
Thursday
Sunny
Sunny, with a high near 68.
69°F 54°F
Thursday Night
Partly Cloudy
Partly cloudy, with a low around 48.
69°F 54°F
Friday
Mostly Sunny
Mostly sunny, with a high near 70.
69°F 54°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 51.
69°F 54°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 68.
69°F 54°F
Saturday Night
Mostly Cloudy
Mostly cloudy, with a low around 51.
69°F 54°F
Data provided by weather.gov