Heavy Rainfall in the Southern Plains and Mississippi Valley; Thunderstorms in Eastern Colorado on Thursday
A multiple day heavy rainfall event will begin to set up from the Southern Plains into the Mississippi Valley Thursday, peaking in intensity over the holiday weekend. Widely scattered thunderstorms are expected to develop across eastern Colorado Thursday afternoon and evening. Large hail will be the primary hazard. Read More >
Current conditions at
Hayward, Hayward Air Terminal (KHWD)
Lat: 37.66083°NLon: 122.11833°WElev: 46.0ft.
Clear
71°F
22°C
| Humidity | 49% |
| Wind Speed | W 11 MPH |
| Barometer | 29.86 in (1011.18 mb) |
| Dewpoint | 51°F (11°C) |
| Visibility | 10.00 mi |
| Last update | 20 May 06:54 PM PDT |
Extended Forecast for
Union City CA
Tonight
Low: 54 °F
Clear
Thursday
High: 80 °F
Sunny
Thursday Night
Low: 54 °F
Mostly Clear
Friday
High: 78 °F
Sunny
Friday Night
Low: 54 °F
Mostly Clear
Saturday
High: 73 °F
Sunny
Saturday Night
Low: 52 °F
Partly Cloudy
Sunday
High: 70 °F
Mostly Sunny
Sunday Night
Low: 52 °F
Partly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 54. Northwest wind 5 to 7 mph becoming calm in the evening.
Thursday
Sunny, with a high near 80. Calm wind becoming west northwest 5 to 9 mph in the afternoon.
Thursday Night
Mostly clear, with a low around 54. West northwest wind 5 to 8 mph becoming calm in the evening.
Friday
Sunny, with a high near 78. Calm wind becoming west 5 to 9 mph in the afternoon.
Friday Night
Mostly clear, with a low around 54. West wind 5 to 10 mph becoming light west southwest after midnight. Winds could gust as high as 18 mph.
Saturday
Sunny, with a high near 73.
Saturday Night
Partly cloudy, with a low around 52.
Sunday
Mostly sunny, with a high near 70.
Sunday Night
Partly cloudy, with a low around 52.
Memorial Day
Mostly sunny, with a high near 68.
Monday Night
Partly cloudy, with a low around 52.
Tuesday
Mostly sunny, with a high near 64.
Tuesday Night
Mostly clear, with a low around 51.
Wednesday
Sunny, with a high near 70.
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)
6:06 pm PDT May 20, 2026
7pm PDT May 20, 2026-6pm PDT May 27, 2026
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