Record Heat Remains in Place This Week; Severe Thunderstorms Possible Thursday
Record warmth will persist across portions of California, the Southwest U.S., the central Great Basin and return back to areas of the central/southern Plains and mid-lower Mississippi Valley this week. Over 200 new record high temperatures are forecast. Severe thunderstorms are being outlooked on Thursday over the Midwest. Read More >
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
52°F
11°C
| Humidity | 81% |
| Wind Speed | ENE 4 MPH |
| Barometer | 30.05 in (1017.61 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 23 Mar 08:00 AM PDT |
Extended Forecast for
Union City CA
Today
High: 72 °F
Sunny
Tonight
Low: 52 °F
Clear
Tuesday
High: 76 °F
Sunny
Tuesday Night
Low: 52 °F
Clear
Wednesday
High: 72 °F
Sunny
Wednesday Night
Low: 49 °F
Partly Cloudy
Thursday
High: 72 °F
Mostly Sunny
Thursday Night
Low: 53 °F
Mostly Cloudy
Friday
High: 76 °F
Partly Sunny
Detailed Forecast
Today
Sunny, with a high near 72. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Tonight
Clear, with a low around 52. West northwest wind 5 to 8 mph becoming calm after midnight.
Tuesday
Sunny, with a high near 76. Calm wind becoming west northwest 5 to 8 mph in the afternoon.
Tuesday Night
Clear, with a low around 52. West wind 5 to 10 mph becoming light southwest after midnight.
Wednesday
Sunny, with a high near 72. Calm wind becoming west 5 to 9 mph in the afternoon.
Wednesday Night
Partly cloudy, with a low around 49.
Thursday
Mostly sunny, with a high near 72.
Thursday Night
Mostly cloudy, with a low around 53.
Friday
Partly sunny, with a high near 76.
Friday Night
Partly cloudy, with a low around 54.
Saturday
Mostly sunny, with a high near 73.
Saturday Night
Mostly clear, with a low around 51.
Sunday
Mostly sunny, with a high near 71.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Union City CA
37.61°N 122°W (Elev. 594 ft)
37.61°N 122°W (Elev. 594 ft)
2:26 am PDT Mar 23, 2026
8am PDT Mar 23, 2026-6pm PDT Mar 29, 2026
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