Wind
WSW
8 mph
G 0 mph
Local Forecast
Castro Valley, CA Weather Forecast & Alerts
Current conditions, 5-day forecast, and active NWS weather alerts for Castro Valley, CA.
Get Alerts No Active Alerts
Hour-by-Hour Current Observation
Sunday 7:05 AM PDTSunday 7:05 AM
°F
°C
57°F
Mostly Cloudy
- 68° / 53° High / Low
- 57° Feels Like
- 0% Chance of Rain
UV Index
2
Low
Humidity
77%
Dew 50°F
Sun
5:51 AM · 8:18 PM
Rise · Set
Source: OAKLAND (KOAK). Slider scrubs the next 12 hours.
5-Day Outlook
Through Friday
Today
68° 53°
Slight Chance of Rain
Overnight: Forecast Missing
Detailed forecast
Today
A slight chance of drizzle between 8am and 11am. Partly sunny. High near 67, with temperatures falling to around 63 in the afternoon. West southwest wind 7 to 13 mph, with gusts as high as 24 mph.
Night
A slight chance of drizzle after 2am. Mostly cloudy, with a low around 53. West southwest wind 9 to 14 mph, with gusts as high as 25 mph.
Tuesday
68° 51°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Tuesday
A slight chance of drizzle before 11am. Mostly sunny, with a high near 68. West wind around 14 mph, with gusts as high as 23 mph.
Night
Mostly clear, with a low around 51. West southwest wind 2 to 14 mph, with gusts as high as 23 mph.
Wednesday
75° 53°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Wednesday
Sunny, with a high near 74.
Night
Partly cloudy, with a low around 52.
Thursday
75° 53°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Thursday
Mostly sunny, with a high near 74.
Night
Partly cloudy, with a low around 52.
Friday
69° 53°
Forecast Missing
Overnight: Forecast Missing
Detailed forecast
Friday
Mostly sunny, with a high near 69.
Night
Partly cloudy, with a low around 52.
Castro Valley, CA Weather Analysis Tools
