, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Tonight

      Aug 17

      67° Lo F
      Clearing
      • 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
    • Fri

      Aug 18

      88° /67°
      Humid with sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Aug 19

      89° /68°
      A thunderstorm in spots
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Aug 20

      90° /70°
      Partly sunny
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      84° /74°
      An afternoon thunderstorm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More

    Day

    85°Hi RealFeel® 99° Precipitation 50%
    Some sun, then turning cloudy and humid; a shower or thunderstorm in spots this afternoon
    • Winds from the
    • SW 9 mph
    • Gusts: 21 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 60%
    • Precipitation: 0.03 in
    • Rain: 0.03 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0.5 hrs
    • Hours of Rain: 0.5 hrs

    Night

    67°Lo RealFeel® 66° Precipitation 15%
    Clearing
    • Winds from the
    • WSW 5 mph
    • Gusts: 12 mph
    • Max UV Index: N/A
    • Thunderstorms: 24%
    • 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 Aug 17

    • 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 8/17/2016
    High 85° 89° N/A 81°
    Low 67° 66° N/A 72°

    Sunrise/Sunset

    • Sunrise: 6:15 AM
    • Sunset: 7:45 PM
    • Duration: 13:30 hr

    Moonrise/Moonset

    • Moonrise: 1:52 AM
    • Moonset: 4:22 PM
    • Duration: 14:30 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps