• Tonight

    Apr 30

    Lo 51°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    May 1

    81°Lo 53°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    May 2

    75°Lo 52°

    Low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    May 3

    72°Lo 53°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    May 4

    67°Lo 52°

    Mainly cloudy and cool

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8pm
9pm 10pm 11pm Sun
12am
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Forecast
Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Temp (°F) 66° 64° 62° 61° 59° 58° 56° 55°
RealFeel® 63° 62° 61° 60° 59° 58° 57° 56°
Humidity 56% 53% 56% 59% 66% 70% 73% 76%
   
  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Rain
 
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Snow
 
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Ice
 
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  8pm 9pm 10pm 11pm 12am 1am 2am 3am
Wind (mph) 10 NW 8 NW 7 NW 6 NNW 5 N 4 NNE 4 ENE 4 ENE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 8% 11% 11% 11% 11% 11% 11% 11%
Dew Point 50° 47° 47° 47° 48° 48° 48° 48°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Apr 30

more Historical Weather Data >
  Today Normal Record 4/30/2015
High 78° 71° N/A 86°
Low 51° 50° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:45 of sunlight, then sets at 7:58 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:17 AM with 10:59 of moolight, then sets at 1:16 PM

Union City Weather Report

San Francisco: Rain showers may dampen the Bay Area for midweek

April 30, 2016; 9:30 PM ET

There is the potential a storm will dive across California and bring a soaking rain for later next week and weekend. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps