, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Early AM

      May 1

      50° Lo
      Cooler
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Today

      May 1

      62° /49°F
      Mostly cloudy; windy, cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Tue

      May 2

      76° /54°
      Pleasant and warmer
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Wed

      May 3

      67° /51°
      Cloudy, showers; not as warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More
    • Thu

      May 4

      59° /48°
      Cooler with low clouds
      • Low
      • ragweed pollen levels
      • Grass Pollen: High
      • Ragweed Pollen: Low
      • Tree Pollen: High
      More

    Day

    62°Hi RealFeel® 58° Precipitation 10%
    Cloudy most of the time, windy and cooler
    • SW 16 mph
    • Gusts: 26 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 2%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    49°Lo RealFeel® 47° Precipitation 15%
    Clear to partly cloudy
    • SW 7 mph
    • Gusts: 14 mph
    • Max UV Index: N/A
    • Thunderstorms: 5%
    • 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 May 1

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

      Low

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/1/2016
    High 62° 74° N/A 81°
    Low 49° 52° N/A 59°

    Sunrise/Sunset

    • Sunrise: 6:03 AM
    • Sunset: 7:44 PM
    • Duration: 13:41 hr

    Moonrise/Moonset

    • Moonrise: 10:57 AM
    • Moonset: 1:19 AM
    • Duration: 14:22 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps