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    • Today

      Jan 18

      51° /46°F
      Mostly cloudy and mild
      • 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
    • Thu

      Jan 19

      62° /53°
      Milder with periods of rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Jan 20

      66° /54°
      Partly sunny, a shower; warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Jan 21

      68° /52°
      Becoming cloudy and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      59° /44°
      Some rain and a thunderstorm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    51°Hi RealFeel® 53° Precipitation 17%
    Mostly cloudy and mild
    • ENE 4 mph
    • Gusts: 7 mph
    • Max UV Index: 1 (Low)
    • Thunderstorms: 1%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    46°Lo RealFeel® 42° Precipitation 71%
    Periods of rain
    • ESE 5 mph
    • Gusts: 9 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • Precipitation: 0.57 in
    • Rain: 0.57 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 5.5 hrs
    • Hours of Rain: 5.5 hrs

    Union City Pollen Levels Jan 18

    • 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 1/18/2016
    High 51° 44° N/A 19°
    Low 46° 26° N/A

    Sunrise/Sunset

    • Sunrise: 7:06 AM
    • Sunset: 5:08 PM
    • Duration: 10:02 hr

    Moonrise/Moonset

    • Moonrise: 11:42 PM
    • Moonset: 11:27 AM
    • Duration: 11:45 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps