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    • Tonight

      Dec 13

      30° Lo F
      Clear to partly cloudy
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Thu

      Dec 14

      41° /25°
      Cooler with sunny intervals
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Fri

      Dec 15

      46° /30°
      Partly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Dec 16

      54° /38°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Dec 17

      50° /43°
      Heavy morning rain; cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    55°Hi RealFeel® 48° Precipitation 2%
    Mostly sunny and not as cool
    • Winds from the
    • SSW 14 mph
    • Gusts: 37 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    30°Lo RealFeel® 27° Precipitation 6%
    Clear to partly cloudy
    • Winds from the
    • NW 7 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 0%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Union City Pollen Levels Dec 13

    • 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 12/13/2016
    High 55° 47° N/A 45°
    Low 30° 29° N/A 34°

    Sunrise/Sunset

    • Sunrise: 6:59 AM
    • Sunset: 4:42 PM
    • Duration: 9:43 hr

    Moonrise/Moonset

    • Moonrise: 2:33 AM
    • Moonset: 2:12 PM
    • Duration: 11:39 hr
    Astronomy

    Wed. Pollen

    Wed. Dust & Dander

    Wed. Wind Maps