News Headlines
Hazardous Weather Conditions
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
79°F
26°C
| Humidity | 54% |
| Wind Speed | W 5 MPH |
| Barometer | 29.88 in (1011.85 mb) |
| Dewpoint | 61°F (16°C) |
| Visibility | 10.00 mi |
| Heat Index | 80°F (27°C) |
| Last update | 03 Oct 11:35 AM PDT |
Extended Forecast for
2 Miles SW Castro Valley CA
Heat Advisory until October 5, 10:00pm
NOW until 10:00pm Mon
Heat Advisory
Today
High: 94 °F
Sunny
Tonight
Low: 69 °F
Increasing
CloudsSunday
High: 94 °F
Mostly Cloudy
Sunday Night
Low: 67 °F
Mostly Clear
Monday
High: 93 °F
Sunny
Monday Night
Low: 67 °F
Mostly Clear
Tuesday
High: 93 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 94. Calm wind becoming west northwest around 6 mph in the afternoon.
Tonight
Increasing clouds, with a low around 69. Calm wind.
Sunday
Mostly cloudy, with a high near 94. Calm wind becoming west 5 to 7 mph in the afternoon.
Sunday Night
Mostly clear, with a low around 67. Light and variable wind.
Monday
Sunny, with a high near 93. Calm wind becoming west northwest around 6 mph in the afternoon.
Monday Night
Mostly clear, with a low around 67.
Tuesday
Sunny, with a high near 93.
Tuesday Night
Mostly clear, with a low around 66.
Wednesday
Sunny, with a high near 92.
Wednesday Night
Mostly clear, with a low around 65.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 63.
Friday
Mostly sunny, with a high near 79.
Additional Forecasts and Information
Basemap Options
Click map to change the forecast location
Loading map...
Forecast AreaABOUT THIS FORECAST
Point Forecast:
2 Miles SW Castro Valley CA
37.69°N 122.07°W (Elev. 197 ft)
37.69°N 122.07°W (Elev. 197 ft)
11:27 am PDT Oct 3, 2026
11am PDT Oct 3, 2026-6pm PDT Oct 9, 2026
Additional Resources
Radar & Satellite Image
Hourly Weather Forecast
