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    • Today

      Dec 4

      47° /33°
      Mostly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Dec 5

      49° /44°F
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Tue

      Dec 6

      51° /32°
      A little morning rain; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Wed

      Dec 7

      45° /27°
      Variably cloudy and chilly
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Dec 8

      35° /17°
      Colder with partial sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    49°Hi RealFeel® 48° Precipitation 40%
    Mostly cloudy with a shower in spots in the afternoon
    • ENE 7 mph
    • Gusts: 10 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.01 in
    • Rain: 0.01 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    44°Lo RealFeel® 35° Precipitation 77%
    Periods of rain, some heavy
    • SE 7 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.66 in
    • Rain: 0.66 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 7 hrs
    • Hours of Rain: 7 hrs

    Union City Pollen Levels Dec 5

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 12/5/2015
    High 49° 50° N/A 57°
    Low 44° 31° N/A 25°

    Sunrise/Sunset

    • Sunrise: 6:54 AM
    • Sunset: 4:41 PM
    • Duration: 9:47 hr

    Moonrise/Moonset

    • Moonrise: 11:18 AM
    • Moonset: 10:28 PM
    • Duration: 11:10 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps