Find the Best Places in the United States

Compare Cost of Living, Education, Income, Population, and More.

Current Weather Conditions for Castro Valley, CA

Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. West wind around 9 mph.
68°F

Conditions

Wind: 7 mph WSW
Humidity: 64%
Probability of Precipitation: 0%

Hourly Forcast (next 12 hours)

7 PM 8 PM 9 PM 10 PM 11 PM 12 AM 1 AM 2 AM 3 AM 4 AM 5 AM 6 AM 7 AM
68° 70° 71° 72° 71° 70° 68° 64° 61° 58° 56° 55° 55°

Upcoming Week

Day Forecast High Low
This Afternoon
Mostly Sunny
Mostly sunny. High near 73, with temperatures falling to around 70 in the afternoon. West wind around 9 mph.
72°F 57°F
Tonight
Partly Cloudy
Partly cloudy, with a low around 53. West southwest wind 3 to 8 mph.
72°F 57°F
Friday
Mostly Sunny
Mostly sunny. High near 75, with temperatures falling to around 72 in the afternoon. West southwest wind 3 to 9 mph.
72°F 57°F
Friday Night
Partly Cloudy
Partly cloudy, with a low around 54. West southwest wind 5 to 8 mph.
72°F 57°F
Independence Day
Mostly Sunny
Mostly sunny, with a high near 73. West southwest wind 5 to 9 mph.
72°F 57°F
Saturday Night
Mostly Cloudy
Mostly cloudy, with a low around 54.
72°F 57°F
Sunday
Partly Sunny
Partly sunny, with a high near 71.
72°F 57°F
Sunday Night
Mostly Cloudy
Mostly cloudy, with a low around 54.
72°F 57°F
Monday
Partly Sunny
Partly sunny, with a high near 69.
72°F 57°F
Monday Night
Mostly Cloudy
Mostly cloudy, with a low around 54.
72°F 57°F
Tuesday
Patchy Fog then Mostly Sunny
Patchy fog between 8am and 9am. Mostly sunny, with a high near 70.
72°F 57°F
Tuesday Night
Partly Cloudy then Patchy Fog
Patchy fog after 2am. Partly cloudy, with a low around 53.
72°F 57°F
Wednesday
Patchy Fog then Mostly Sunny
Patchy fog before 8am. Mostly sunny, with a high near 72.
72°F 57°F
Wednesday Night
Partly Cloudy then Patchy Fog
Patchy fog between 2am and 5am. Partly cloudy, with a low around 54.
72°F 57°F
Data provided by weather.gov