Areas of Fire Weather and Severe Thunderstorms on Friday
Critical fire weather is expected Friday across the Northern Plains, Upper Midwest, and southern High Plains due to gusty winds and low humidity. Severe thunderstorms capable of large to very large hail, wind damage and tornadoes will be possible Friday and Saturday across parts of the central Plains. 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 | 76% |
| Wind Speed | N 0 MPH |
| Barometer | 30.0 in (1015.92 mb) |
| Dewpoint | 48°F (9°C) |
| Visibility | 10.00 mi |
| Last update | 15 May 01:20 AM PDT |
Extended Forecast for
2 Miles SW Castro Valley CA
Overnight
Low: 52 °F
Mostly Clear
Friday
High: 78 °F
Sunny
Friday Night
Low: 52 °F
Mostly Clear
Saturday
High: 74 °F
Sunny
Saturday Night
Low: 51 °F
Mostly Clear
Sunday
High: 78 °F
Sunny
Sunday Night
Low: 58 °F
Mostly Clear
Monday
High: 85 °F
Sunny
Monday Night
Low: 55 °F
Mostly Clear
Detailed Forecast
Overnight
Mostly clear, with a low around 52. South wind around 5 mph becoming calm.
Friday
Sunny, with a high near 78. Light and variable wind becoming west southwest 5 to 10 mph in the morning.
Friday Night
Mostly clear, with a low around 52. South southwest wind 6 to 9 mph.
Saturday
Sunny, with a high near 74. West wind 6 to 13 mph, with gusts as high as 21 mph.
Saturday Night
Mostly clear, with a low around 51. West wind 6 to 11 mph becoming light west southwest after midnight. Winds could gust as high as 20 mph.
Sunday
Sunny, with a high near 78.
Sunday Night
Mostly clear, with a low around 58.
Monday
Sunny, with a high near 85.
Monday Night
Mostly clear, with a low around 55.
Tuesday
Sunny, with a high near 88.
Tuesday Night
Mostly clear, with a low around 56.
Wednesday
Sunny, with a high near 88.
Wednesday Night
Mostly clear, with a low around 56.
Thursday
Sunny, with a high near 84.
Additional Forecasts and Information
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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)
1:26 am PDT May 15, 2026
1am PDT May 15, 2026-6pm PDT May 21, 2026
Additional Resources
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