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Current Weather Conditions for Castro Valley, CA

Partly cloudy, with a low around 44. Northeast wind around 3 mph.
47°F

Conditions

Wind: 2 mph NNE
Humidity: 84%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

8 AM 9 AM 10 AM 11 AM 12 PM 1 PM 2 PM 3 PM 4 PM 5 PM 6 PM 7 PM 8 PM
47° 47° 46° 45° 46° 45° 45° 45° 46° 49° 52° 56° 58°

Upcoming Week

Day Forecast High Low
Overnight
Partly Cloudy
Partly cloudy, with a low around 44. Northeast wind around 3 mph.
61°F 45°F
Sunday
Mostly Sunny
Mostly sunny. High near 61, with temperatures falling to around 56 in the afternoon. North northwest wind 2 to 6 mph.
61°F 45°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 44. North northeast wind 3 to 7 mph.
61°F 45°F
Monday
Mostly Sunny
Mostly sunny, with a high near 62. North northwest wind 2 to 6 mph.
61°F 45°F
Monday Night
Partly Cloudy then Patchy Fog
Patchy fog between 1am and 4am. Partly cloudy, with a low around 45. Northwest wind 1 to 5 mph.
61°F 45°F
Tuesday
Mostly Sunny
Mostly sunny, with a high near 62.
61°F 45°F
Tuesday Night
Patchy Fog
Patchy fog after 8pm. Partly cloudy, with a low around 46.
61°F 45°F
Wednesday
Patchy Fog then Mostly Sunny
Patchy fog before 10am. Mostly sunny, with a high near 64.
61°F 45°F
Wednesday Night
Mostly Clear then Patchy Fog
Patchy fog after 4am. Mostly clear, with a low around 48.
61°F 45°F
Thursday
Patchy Fog then Mostly Sunny
Patchy fog before 9am. Mostly sunny, with a high near 65.
61°F 45°F
Thursday Night
Mostly Clear
Mostly clear, with a low around 46.
61°F 45°F
Friday
Sunny
Sunny, with a high near 64.
61°F 45°F
Friday Night
Mostly Clear
Mostly clear, with a low around 45.
61°F 45°F
Saturday
Mostly Sunny
Mostly sunny, with a high near 63.
61°F 45°F
Data provided by weather.gov