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December 14th, 2025 :: 10:01 pm PST   

Local Weather Report for
Union City
California, United States

 Union City Weather Forecast Summary  
 
Today
Dec 14th
Monday
Dec 15th
Tuesday
Dec 16th
Wednesday
Dec 17th
Thursday
Dec 18th
Cloudy Cloudy Cloudy Cloudy Cloudy
64°F
63°F
51°F
67°F
55°F
61°F
50°F
61°F
49°F
 
 Union City Detailed Weather Forecast  
 
Monday, December 15th, 2025
Overnight Temperature: 51°F
Cloudy.
Morning Temperature: 60°F
Cloudy.
Afternoon Temperature: 60°F
Cloudy.
Evening Temperature: 57°F
A mix of cloudy and clear skies.
Tuesday, December 16th, 2025
Overnight Temperature: 55°F
A mix of cloudy and clear skies.
Morning Temperature: 64°F
Cloudy.
Afternoon Temperature: 63°F
Cloudy.
Evening Temperature: 61°F
Cloudy.
Wednesday, December 17th, 2025
Overnight Temperature: 60°F
Cloudy with a chance of showers.
Morning Temperature: 60°F
A mix of cloud and sun with a chance of showers.
Afternoon Temperature: 55°F
A mix of cloud and sun.
Evening Temperature: 51°F
Cloudy.
Thursday, December 18th, 2025
Overnight Temperature: 49°F
A mix of cloudy and clear skies.
Morning Temperature: 58°F
A mix of cloud and sun.
Afternoon Temperature: 58°F
Cloudy.
Evening Temperature: 53°F
A mix of cloudy and clear skies.
Friday, December 19th, 2025
Overnight Temperature: 51°F
A mix of cloudy and clear skies.
Morning Temperature: 60°F
Cloudy.
Afternoon Temperature: 61°F
Cloudy with a slight chance of showers.
Evening Temperature: 58°F
Cloudy with a chance of showers.
Saturday, December 20th, 2025
Overnight Temperature: 55°F
Cloudy.
Morning Temperature: 61°F
Sunny with cloudy periods.
Afternoon Temperature: 61°F
A mix of cloud and sun.
Evening Temperature: 58°F
Cloudy with a slight chance of showers.
Sunday, December 21st, 2025
Overnight Temperature: 58°F
Cloudy with a chance of showers.
Morning Temperature: 59°F
Cloudy with a chance of showers.
Afternoon Temperature: 59°F
Cloudy with a few showers. Windy at times.
Evening Temperature: 60°F
Cloudy with showers likely. Windy at times.
Monday, December 22nd, 2025
Overnight Temperature: 59°F
Cloudy with a few showers. Windy at times.
Morning Temperature: 59°F
Cloudy with a few showers.
Afternoon Temperature: 60°F
Cloudy with a chance of showers. Windy at times.
Evening Temperature: 59°F
Cloudy.





 

  [ Local Weather Report ]
Newark, CA 
8:47 PM  46°F
Overcast
 
Hayward, CA 
 
Dublin, CA 
8:53 PM  39°F
 
 
Pleasanton, CA 
8:53 PM  39°F
 
 
Palo Alto, CA 
8:47 PM  46°F
Overcast
 
East Palo Alto, CA 
8:47 PM  46°F
Overcast
 
San Leandro, CA 
 
Moffett, CA 
 
Livermore, CA 
8:53 PM  39°F
 
 
Oakland, CA 
8:53 PM  43°F
Mostly Clear

 
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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