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Hazardous Weather Conditions
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
82°F
28°C
| Humidity | 42% |
| Wind Speed | W 9 MPH |
| Barometer | 29.85 in (1010.84 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Heat Index | 82°F (28°C) |
| Last update | 04 Oct 05:15 PM PDT |
Extended Forecast for
Castro Valley CA
Heat Advisory October 4, 05:42pm until October 7, 10:00pm
NOW until 10:00pm Wed
Heat Advisory
Tonight
Low: 66 °F
Mostly Clear
Monday
High: 94 °F
Sunny
Monday Night
Low: 66 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 66 °F
Mostly Clear
Wednesday
High: 93 °F
Sunny
Wednesday Night
Low: 62 °F
Mostly Clear
Thursday
High: 88 °F
Sunny
Detailed Forecast
Tonight
Mostly clear, with a low around 66. Light and variable wind.
Monday
Sunny, with a high near 94. Calm wind becoming west 5 to 7 mph in the afternoon.
Monday Night
Mostly clear, with a low around 66. Light and variable wind.
Tuesday
Sunny, with a high near 94. Calm wind becoming west northwest 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 66. West wind 5 to 7 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 93.
Wednesday Night
Mostly clear, with a low around 62.
Thursday
Sunny, with a high near 88.
Thursday Night
Mostly clear, with a low around 60.
Friday
Mostly sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 55.
Sunday
Mostly sunny, with a high near 76.
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)
1:26 pm PDT Oct 4, 2026
5pm PDT Oct 4, 2026-6pm PDT Oct 11, 2026
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