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December 27th, 2025 :: 10:10 pm PST   

Local Weather Report for
Union City
California, United States

 Union City Weather Forecast Summary  
 
Today
Dec 27th
Sunday
Dec 28th
Monday
Dec 29th
Tuesday
Dec 30th
Wednesday
Dec 31st
Cloudy Mix of Cloud and Sun Sunny Cloudy Cloudy
55°F
57°F
46°F
58°F
45°F
61°F
46°F
59°F
48°F
 
 Union City Detailed Weather Forecast  
 
Sunday, December 28th, 2025
Overnight Temperature: 46°F
A mix of cloudy and clear skies.
Morning Temperature: 54°F
Sunny.
Afternoon Temperature: 54°F
Sunny.
Evening Temperature: 47°F
Clear.
Monday, December 29th, 2025
Overnight Temperature: 45°F
Clear.
Morning Temperature: 55°F
Sunny.
Afternoon Temperature: 55°F
Sunny.
Evening Temperature: 49°F
Clear.
Tuesday, December 30th, 2025
Overnight Temperature: 47°F
Clear.
Morning Temperature: 57°F
Sunny.
Afternoon Temperature: 56°F
Sunny.
Evening Temperature: 51°F
Cloudy.
Wednesday, December 31st, 2025
Overnight Temperature: 49°F
Cloudy.
Morning Temperature: 56°F
Cloudy.
Afternoon Temperature: 56°F
Cloudy.
Evening Temperature: 52°F
Cloudy with a chance of showers.
Thursday, January 1st, 2026
Overnight Temperature: 52°F
Cloudy with showers likely.
Morning Temperature: 52°F
Cloudy with showers likely.
Afternoon Temperature: 54°F
Cloudy with showers likely.
Evening Temperature: 55°F
Cloudy with showers likely.
Friday, January 2nd, 2026
Overnight Temperature: 56°F
Cloudy with a chance of showers.
Morning Temperature: 60°F
Cloudy.
Afternoon Temperature: 58°F
Cloudy.
Evening Temperature: 58°F
Cloudy with a chance of showers.
Saturday, January 3rd, 2026
Overnight Temperature: 57°F
Cloudy.
Morning Temperature: 60°F
Cloudy.
Afternoon Temperature: 60°F
Cloudy.
Evening Temperature: 56°F
Cloudy.
Sunday, January 4th, 2026
Overnight Temperature: 55°F
Cloudy.
Morning Temperature: 62°F
Cloudy.
Afternoon Temperature: 63°F
Cloudy.
Evening Temperature: 59°F
Cloudy.





 

  [ Local Weather Report ]
Newark, CA 
8:55 PM  46°F
 
 
Hayward, CA 
8:54 PM  46°F
 
 
Dublin, CA 
8:53 PM  43°F
 
 
Pleasanton, CA 
8:53 PM  43°F
 
 
Palo Alto, CA 
8:55 PM  46°F
 
 
East Palo Alto, CA 
8:55 PM  46°F
 
 
San Leandro, CA 
8:54 PM  46°F
 
 
Moffett, CA 
8:55 PM  48°F
 
 
Livermore, CA 
8:53 PM  43°F
 
 
Oakland, CA 
8:53 PM  46°F
 

 
This WeatherCity Weather Forecast for Union City, California, United States is computed using a computer-generated forecast model and should be considered experimental. Please confirm this weather information with your official weather information office

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