• Tonight

    May 5

    Lo 55°

    A shower early; some clouds

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

    May 6

    65°Lo 53°

    Partly sunny with a t-storm

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

    May 7

    68°Lo 55°

    Times of clouds and sun

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

    May 8

    70°Lo 52°

    Partly sunny

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

    May 9

    72°Lo 50°

    Mostly sunny and nice

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
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Forecast
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Temp (°F)
RealFeel®
Humidity 0% 0% 0% 0% 0% 0% 0% 0%
   
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Rain
 
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Snow
 
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  2am 2am 2am 2am 2am 2am 2am 2am
Wind (mph) 0 0 0 0 0 0 0 0
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 0% 0% 0% 0% 0% 0% 0% 0%
Dew Point
Middle Grid line 5 F Middle Grid line 0 F Middle Grid line -5 F

Temperature History - May 5

more Historical Weather Data >
  Today Normal Record 5/5/2015
High 67° 71° N/A 61°
Low 55° 50° N/A 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:07 AM with 13:56 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:35 AM with 13:24 of moolight, then sets at 6:59 PM

Union City Weather Report

San Francisco: Rain showers may dampen the Bay Area into weekend

May 5, 2016; 8:12 PM ET

While it will not be an all-day washout into Saturday morning, any developing thunderstorm could produce locally heavy rainfall and raise the risk for flash flooding and mudslides. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps