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July 21st, 2026 :: 4:15 am PDT   

Local Weather Report for
Union City
California, United States

 Union City Weather Forecast Summary  
 
Today
Jul 21st
Wednesday
Jul 22nd
Thursday
Jul 23rd
Friday
Jul 24th
Saturday
Jul 25th
Mostly Sunny Sunny Sunny Sunny Sunny
91°F
90°F
67°F
78°F
62°F
79°F
60°F
80°F
61°F
 
 Union City Detailed Weather Forecast  
 
Tuesday, July 21st, 2026
Overnight Temperature: 69°F
A mix of clear and cloudy skies.
Morning Temperature: 76°F
Sunny with cloudy periods with a slight chance of showers.
Afternoon Temperature: 91°F
Sunny. Windy at times.
Evening Temperature: 79°F
Clear.
Wednesday, July 22nd, 2026
Overnight Temperature: 71°F
Clear.
Morning Temperature: 77°F
Sunny.
Afternoon Temperature: 87°F
Sunny. Windy at times.
Evening Temperature: 70°F
Mostly clear. Windy at times.
Thursday, July 23rd, 2026
Overnight Temperature: 63°F
Clear.
Morning Temperature: 68°F
Sunny.
Afternoon Temperature: 77°F
Sunny. Windy at times.
Evening Temperature: 67°F
Clear.
Friday, July 24th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 69°F
Sunny.
Afternoon Temperature: 78°F
Sunny. Windy at times.
Evening Temperature: 67°F
Clear.
Saturday, July 25th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.
Sunday, July 26th, 2026
Overnight Temperature: 62°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 82°F
Sunny. Windy at times.
Evening Temperature: 68°F
Clear.
Monday, July 27th, 2026
Overnight Temperature: 61°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 81°F
Sunny. Windy at times.
Evening Temperature: 66°F
Clear.
Tuesday, July 28th, 2026
Overnight Temperature: 60°F
Clear.
Morning Temperature: 70°F
Sunny.
Afternoon Temperature: 85°F
Mostly sunny. Windy at times.
Evening Temperature: 69°F
Mostly clear.
Wednesday, July 29th, 2026
Overnight Temperature: 63°F
Mostly clear.
Morning Temperature: 73°F
Sunny.
Afternoon Temperature: 86°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.





 

  [ Local Weather Report ]
Newark, CA 
 
Hayward, CA 
2:54 AM  66°F
 
 
Dublin, CA 
2:53 AM  70°F
 
 
Pleasanton, CA 
2:53 AM  70°F
 
 
Palo Alto, CA 
 
East Palo Alto, CA 
 
San Leandro, CA 
2:54 AM  66°F
 
 
Moffett, CA 
2:55 AM  68°F
 
 
Livermore, CA 
2:53 AM  70°F
 
 
Oakland, CA 
2:53 AM  64°F
Mostly Cloudy

 
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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