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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
64°F
18°C
| Humidity | 82% |
| Wind Speed | N 3 MPH |
| Barometer | 29.94 in (1013.89 mb) |
| Dewpoint | 59°F (15°C) |
| Visibility | 10.00 mi |
| Last update | 05 Oct 06:05 AM PDT |
Extended Forecast for
Castro Valley CA
Heat Advisory October 5, 06:15am until October 7, 10:00pm
NOW until 10:00pm Wed
Heat Advisory
Today
High: 94 °F
Sunny
Tonight
Low: 65 °F
Mostly Clear
Tuesday
High: 94 °F
Sunny
Tuesday Night
Low: 65 °F
Mostly Clear
Wednesday
High: 92 °F
Sunny
Wednesday Night
Low: 61 °F
Mostly Clear
Thursday
High: 90 °F
Sunny
Thursday Night
Low: 61 °F
Mostly Clear
Detailed Forecast
Today
Sunny, with a high near 94. Calm wind becoming west 5 to 7 mph in the afternoon.
Tonight
Mostly clear, with a low around 65. Calm wind.
Tuesday
Sunny, with a high near 94. Calm wind becoming west 5 to 7 mph in the afternoon.
Tuesday Night
Mostly clear, with a low around 65. West wind around 6 mph becoming calm in the evening.
Wednesday
Sunny, with a high near 92. Calm wind becoming west 5 to 7 mph in the afternoon.
Wednesday Night
Mostly clear, with a low around 61.
Thursday
Sunny, with a high near 90.
Thursday Night
Mostly clear, with a low around 61.
Friday
Sunny, with a high near 86.
Friday Night
Mostly clear, with a low around 60.
Saturday
Mostly sunny, with a high near 76.
Saturday Night
Mostly clear, with a low around 56.
Sunday
Sunny, with a high near 74.
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 am PDT Oct 5, 2026
6am PDT Oct 5, 2026-6pm PDT Oct 11, 2026
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