Castro Valley, CA
Forecast for Castro Valley, CA | Forecast Periods: 14
Sunday
Jun 29
2025
Castro Valley, CA
Updated: 1:26 PM PDT
56°F
Partly Cloudy
6 mph W
Precipitation: 2%
Partly cloudy, with a low around 56. West wind around 6 mph.
24-Hour Temperature & Dewpoint Trend
- Temperature
- Dewpoint
- Humidity
- Precipitation
Hourly Forecast
7-Day Forecast
Monday
Mon, Jun 30
80°F
Sunny
3 mph W
Precipitation: 7%
Sunny. High near 80, with temperatures falling to around 76 in the afternoon. West wind 3 to 9 mph.
Monday Night
Tue, Jul 1
55°F
Partly Cloudy
5 mph W
Precipitation: 7%
Partly cloudy, with a low around 55. West wind 5 to 9 mph.
Tuesday
Tue, Jul 1
80°F
Mostly Sunny
5 mph WSW
Precipitation: 4%
Mostly sunny, with a high near 80. West southwest wind 5 to 10 mph.
Tuesday Night
Wed, Jul 2
55°F
Partly Cloudy
5 mph WSW
Precipitation: 3%
Partly cloudy, with a low around 55. West southwest wind 5 to 10 mph.
Wednesday
Wed, Jul 2
78°F
Mostly Sunny
5 mph WSW
Precipitation: 1%
Mostly sunny, with a high near 78.
Wednesday Night
Thu, Jul 3
55°F
Mostly Clear
6 mph WSW
Precipitation: 1%
Mostly clear, with a low around 55.
Thursday
Thu, Jul 3
73°F
Mostly Sunny
6 mph WSW
Precipitation: 0%
Mostly sunny, with a high near 73.
Thursday Night
Fri, Jul 4
53°F
Partly Cloudy
7 mph WSW
Precipitation: 1%
Partly cloudy, with a low around 53.
Independence Day
Fri, Jul 4
68°F
Mostly Sunny
7 mph WSW
Precipitation: 1%
Mostly sunny, with a high near 68.
Friday Night
Sat, Jul 5
52°F
Partly Cloudy
5 mph SW
Precipitation: 0%
Partly cloudy, with a low around 52.
Saturday
Sat, Jul 5
75°F
Mostly Sunny
5 mph WSW
Precipitation: 0%
Mostly sunny, with a high near 75.
Saturday Night
Sun, Jul 6
52°F
Partly Cloudy
5 mph SW
Precipitation: 0%
Partly cloudy, with a low around 52.
Sunday
Sun, Jul 6
75°F
Mostly Sunny
5 mph SW
Precipitation: 0%
Mostly sunny, with a high near 75.
Display Settings
Weather Insights
Temperature
The current temperature in Castro Valley is 56°F.
Wind
The wind in Castro Valley is currently blowing from the W at 6 mph.
Humidity
Humidity data is not available for this period.
Precipitation
There is a 2% chance of precipitation.
Dew Point
Dewpoint data is not available for this period.