Tracking Winter Weather and Frigid Temperatures Through This Weekend
A clipper storm will move across the Great Lakes through this weekend with periods of light snow, gusty winds, and lake effect snow bands which could make for hazardous travel at times. A frigid airmass will spread eastward behind this storm into the Midwest and Eastern U.S. through the weekend. Read More >
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
55°F
13°C
| Humidity | 50% |
| Wind Speed | NE 4 MPH |
| Barometer | 30.07 in (1018.29 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Last update | 16 Jan 08:20 PM PST |
Extended Forecast for
Castro Valley CA
Tonight
Low: 50 °F
Clear
Saturday
High: 67 °F
Mostly Sunny
Saturday Night
Low: 46 °F
Mostly Cloudy
Sunday
High: 66 °F
Mostly Sunny
Sunday Night
Low: 45 °F
Mostly Clear
M.L.King Day
High: 64 °F
Sunny
Monday Night
Low: 42 °F
Mostly Clear
Tuesday
High: 65 °F
Sunny
Tuesday Night
Low: 44 °F
Mostly Clear
Detailed Forecast
Tonight
Clear, with a low around 50. East northeast wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 67. East northeast wind around 6 mph.
Saturday Night
Mostly cloudy, with a low around 46. Light east northeast wind.
Sunday
Mostly sunny, with a high near 66. Northeast wind around 6 mph.
Sunday Night
Mostly clear, with a low around 45. Calm wind.
M.L.King Day
Sunny, with a high near 64.
Monday Night
Mostly clear, with a low around 42.
Tuesday
Sunny, with a high near 65.
Tuesday Night
Mostly clear, with a low around 44.
Wednesday
Mostly sunny, with a high near 63.
Wednesday Night
Partly cloudy, with a low around 46.
Thursday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
Thursday Night
Partly cloudy, with a low around 46.
Friday
Patchy fog. Otherwise, mostly sunny, with a high near 60.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Castro Valley CA
37.72°N 122.05°W (Elev. 397 ft)
37.72°N 122.05°W (Elev. 397 ft)
12:26 pm PST Jan 16, 2026
8pm PST Jan 16, 2026-6pm PST Jan 23, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
