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  • Today

    Sep 3

    Mostly sunny and cool 73°Lo 58°
    more
  • Fri

    Sep 4

    Mostly sunny 72°Lo 56°
  • Sat

    Sep 5

    Mostly sunny 78°Lo 55°
    more
  • Sun

    Sep 6

    Plenty of sunshine 84°Lo 56°
    more
  • Mon

    Sep 7

    Plenty of sunshine 85°Lo 57°
    more
< Previous 8 hours Next 8 hours >
  Fri
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Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Temp (°F) 60° 59° 59° 58° 58° 58° 58° 60°
RealFeel® 58° 58° 57° 56° 56° 56° 56° 58°
Humidity 65% 64% 63% 56% 49% 40% 32% 27%
   
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Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 6 SSW 6 SSW 7 SSW 7 SSW 7 SSW 7 SSW 8 SSW 8 SSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 11% 25% 25% 25% 25% 25% 25% 25%
Dew Point 48° 47° 46° 43° 39° 34° 29° 25°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 72° N/A N/A 78°
Low 56° N/A N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:52 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:58 PM with 14:21 of moolight, then sets at 2:19 PM

Union City Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 3, 2015; 5:06 AM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. more >

ABC 7 San Francisco Headlines

Judge could dismiss cellphone as key evidence in Vallejo kidnapping, robbery cases

A cellphone left at crime scene in Dublin has become a crucial piece of evidence in the Vallejo Gone Girl kidnapping case, but it may have to be thrown out.

Man who allegedly shot himself at BART station has criminal record

Crews battle wildfire burning in Lake County