News Headlines
Hazardous Weather Conditions
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
64°F
18°C
| Humidity | 82% |
| Wind Speed | N 0 MPH |
| Barometer | 29.93 in (1013.55 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 05 Oct 03:35 AM PDT |
Extended Forecast for
2 Miles WNW Castro Valley CA
Heat Advisory October 5, 03:48am until October 7, 10:00pm
NOW until 10:00pm Wed
Heat Advisory
Overnight
Low: 66 °F
Clear
Monday
High: 92 °F
Sunny
Monday Night
Low: 64 °F
Clear
Tuesday
High: 92 °F
Sunny
Tuesday Night
Low: 64 °F
Mostly Clear
Wednesday
High: 90 °F
Sunny
Wednesday Night
Low: 61 °F
Mostly Clear
Thursday
High: 87 °F
Sunny
Detailed Forecast
Overnight
Clear, with a low around 66. Calm wind.
Monday
Sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Clear, with a low around 64. Calm wind.
Tuesday
Sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 64. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 90.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 87.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 84.
Friday Night
Mostly clear, with a low around 61.
Saturday
Mostly sunny, with a high near 75.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 73.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles WNW Castro Valley CA
37.73°N 122.11°W (Elev. 397 ft)
37.73°N 122.11°W (Elev. 397 ft)
1:26 am PDT Oct 5, 2026
3am PDT Oct 5, 2026-6pm PDT Oct 11, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
