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September 17th, 2025 :: 7:37 pm PDT   

Local Weather Report for
Union City
California, United States

 Current Union City Weather Conditions Updated September 17th at 6:54 pm 
Temperature:75°F Dew Point:55°F
Barometer:29.83 inHg Wind:N 13 Mph
Humidity:50.2% Visibility:0M
 
 Union City Weather Forecast Summary  
 
Today
Sep 17th
Thursday
Sep 18th
Friday
Sep 19th
Saturday
Sep 20th
Sunday
Sep 21st
Cloudy Cloudy Sunny Sunny Sunny
87°F
82°F
66°F
81°F
64°F
81°F
64°F
86°F
64°F
 
 Union City Detailed Weather Forecast  
 
Wednesday, September 17th, 2025
Evening Temperature: 73°F
Cloudy.
Thursday, September 18th, 2025
Overnight Temperature: 68°F
Cloudy.
Morning Temperature: 79°F
Cloudy.
Afternoon Temperature: 73°F
Cloudy.
Evening Temperature: 67°F
A mix of cloudy and clear skies.
Friday, September 19th, 2025
Overnight Temperature: 64°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 73°F
Sunny.
Evening Temperature: 66°F
Clear.
Saturday, September 20th, 2025
Overnight Temperature: 64°F
Clear.
Morning Temperature: 78°F
Sunny.
Afternoon Temperature: 75°F
Sunny. Windy at times.
Evening Temperature: 66°F
Clear.
Sunday, September 21st, 2025
Overnight Temperature: 65°F
Clear.
Morning Temperature: 82°F
Sunny.
Afternoon Temperature: 79°F
Sunny. Windy at times.
Evening Temperature: 70°F
Clear.
Monday, September 22nd, 2025
Overnight Temperature: 67°F
Clear.
Morning Temperature: 84°F
Sunny.
Afternoon Temperature: 78°F
Cloudy. Windy at times.
Evening Temperature: 67°F
Cloudy.
Tuesday, September 23rd, 2025
Overnight Temperature: 64°F
Cloudy.
Morning Temperature: 72°F
Cloudy. Windy at times.
Afternoon Temperature: 66°F
Sunny with cloudy periods with showers likely.
Evening Temperature: 63°F
Clear with cloudy periods.
Wednesday, September 24th, 2025
Overnight Temperature: 62°F
Mostly clear.
Morning Temperature: 74°F
Mostly sunny.
Afternoon Temperature: 72°F
Mostly sunny. Windy at times.
Evening Temperature: 64°F
A mix of cloudy and clear skies.
Thursday, September 25th, 2025
Overnight Temperature: 62°F
Clear.
Morning Temperature: 74°F
Sunny.
Afternoon Temperature: 73°F
Mostly sunny. Windy at times.
Evening Temperature: 66°F
Cloudy.





 

  [ Local Weather Report ]
Newark, CA 
6:47 PM  73°F
Overcast
 
Hayward, CA 
6:54 PM  75°F
 
 
Dublin, CA 
6:53 PM  88°F
Overcast
 
Pleasanton, CA 
6:53 PM  88°F
Overcast
 
Palo Alto, CA 
6:47 PM  73°F
Overcast
 
East Palo Alto, CA 
6:47 PM  73°F
Overcast
 
San Leandro, CA 
6:54 PM  75°F
 
 
Moffett, CA 
6:55 PM  75°F
 
 
Livermore, CA 
6:53 PM  88°F
Overcast
 
Oakland, CA 
6:53 PM  73°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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