



Thunderstorms Over the Southeast U.S. and Northern Rockies; Critical Fire Weather Conditions in the Plains
Isolated severe thunderstorms and showers will bring a flash flood threat across the Southeast. Scattered severe wind gusts are expected across the northern Rockies into the Plains. Elevated to Critical fire weather conditions are expected across the north/central Plains and Upper Midwest. Read More >
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
66°F
19°C
Humidity | 45% |
Wind Speed | WNW 18 MPH |
Barometer | 30.03 in (1016.93 mb) |
Dewpoint | 45°F (7°C) |
Visibility | 10.00 mi |
Last update | 11 May 02:00 PM PDT |
Extended Forecast for
Castro Valley CA
This Afternoon
High: 64 °F
Sunny
Tonight
Low: 50 °F
Increasing
CloudsMonday
High: 63 °F
Slight Chance
Rain then
Mostly SunnyMonday Night
Low: 50 °F
Partly Cloudy
Tuesday
High: 67 °F
Mostly Sunny
Tuesday Night
Low: 49 °F
Mostly Clear
Wednesday
High: 73 °F
Sunny
Wednesday Night
Low: 50 °F
Mostly Clear
Thursday
High: 76 °F
Sunny
Detailed Forecast
This Afternoon
Sunny, with a high near 64. West wind around 15 mph, with gusts as high as 18 mph.
Tonight
Increasing clouds, with a low around 50. West wind 9 to 11 mph becoming south after midnight.
Monday
A 20 percent chance of rain before 11am. Cloudy through mid morning, then gradual clearing, with a high near 63. South southeast wind 9 to 14 mph becoming west in the morning. New precipitation amounts of less than a tenth of an inch possible.
Monday Night
Partly cloudy, with a low around 50. West wind 7 to 14 mph.
Tuesday
Mostly sunny, with a high near 67. West wind 5 to 13 mph.
Tuesday Night
Mostly clear, with a low around 49.
Wednesday
Sunny, with a high near 73.
Wednesday Night
Mostly clear, with a low around 50.
Thursday
Sunny, with a high near 76.
Thursday Night
Partly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 74.
Friday Night
Partly cloudy, with a low around 52.
Saturday
Mostly sunny, with a high near 69.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Castro Valley CA
37.69°N 122.05°W (Elev. 364 ft)
37.69°N 122.05°W (Elev. 364 ft)
1:26 pm PDT May 11, 2025
2pm PDT May 11, 2025-6pm PDT May 17, 2025