, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Dec 13

      30° Lo
      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
      More
    • Thu

      Dec 14

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

    41°Hi RealFeel® 40° Precipitation 6%
    Cooler with times of clouds and sun
    • Winds from the
    • N 6 mph
    • Gusts: 9 mph
    • Max UV Index: 2 (Low)
    • 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

    25°Lo RealFeel® 24° Precipitation 16%
    Partly cloudy
    • Winds from the
    • NNW 5 mph
    • Gusts: 7 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 14

    • 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 12/14/2016
    High 41° 47° N/A 37°
    Low 25° 29° N/A 25°

    Sunrise/Sunset

    • Sunrise: 7:00 AM
    • Sunset: 4:42 PM
    • Duration: 9:42 hr

    Moonrise/Moonset

    • Moonrise: 3:31 AM
    • Moonset: 2:44 PM
    • Duration: 11:13 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps