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Current Weather Conditions for Castro Valley, CA

Mostly sunny. High near 71, with temperatures falling to around 67 in the afternoon. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
58°F

Conditions

Wind: 6 mph SW
Humidity: 84%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

4 PM 5 PM 6 PM 7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM
58° 60° 63° 66° 68° 69° 70° 68° 67° 66° 63° 60° 58°

Upcoming Week

Day Forecast High Low
Today
Mostly Sunny
Mostly sunny. High near 71, with temperatures falling to around 67 in the afternoon. West southwest wind 6 to 10 mph, with gusts as high as 18 mph.
70°F 58°F
Tonight
Mostly Cloudy
Mostly cloudy, with a low around 54. West southwest wind around 13 mph, with gusts as high as 22 mph.
70°F 58°F
Friday
Partly Sunny then Slight Chance Drizzle
A slight chance of drizzle after 5pm. Partly sunny. High near 68, with temperatures falling to around 66 in the afternoon. West southwest wind around 14 mph, with gusts as high as 25 mph.
70°F 58°F
Friday Night
Slight Chance Drizzle
A slight chance of drizzle. Mostly cloudy, with a low around 55. West southwest wind around 15 mph, with gusts as high as 26 mph.
70°F 58°F
Saturday
Slight Chance Drizzle then Mostly Sunny
A slight chance of drizzle before 11am. Mostly sunny, with a high near 66. West southwest wind around 14 mph, with gusts as high as 24 mph.
70°F 58°F
Saturday Night
Mostly Clear
Mostly clear, with a low around 52.
70°F 58°F
Sunday
Sunny
Sunny, with a high near 74.
70°F 58°F
Sunday Night
Mostly Clear
Mostly clear, with a low around 53.
70°F 58°F
Monday
Sunny
Sunny, with a high near 75.
70°F 58°F
Monday Night
Partly Cloudy
Partly cloudy, with a low around 54.
70°F 58°F
Tuesday
Sunny
Sunny, with a high near 74.
70°F 58°F
Tuesday Night
Partly Cloudy
Partly cloudy, with a low around 54.
70°F 58°F
Wednesday
Mostly Sunny
Mostly sunny, with a high near 73.
70°F 58°F
Wednesday Night
Partly Cloudy
Partly cloudy, with a low around 52.
70°F 58°F
Data provided by weather.gov