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    • Today

      Sep 24

      93° /68°F
      Sunshine and hot
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
    • Sun

      Sep 25

      92° /66°
      Mostly sunny and hot
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Mon

      Sep 26

      73° /48°
      A morning shower; cooler
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Tue

      Sep 27

      76° /53°
      Mostly sunny and pleasant
      • High
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: High
      • Tree Pollen: Low
      More
    • Wed

      Sep 28

      79° /51°
      Mostly sunny and pleasant
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    93°Hi RealFeel® 102° Precipitation 2%
    Sunny to partly cloudy and hot
    • SE 2 mph
    • Gusts: 8 mph
    • Max UV Index: 6 (High)
    • Thunderstorms: 16%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    68°Lo RealFeel® 67° Precipitation 7%
    Clear and warm
    • ESE 4 mph
    • Gusts: 5 mph
    • Max UV Index: N/A
    • Thunderstorms: 7%
    • 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 Sep 24

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

      Low

    • Ragweed Pollen

      High

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/24/2015
    High 93° 79° N/A 88°
    Low 68° 54° N/A 59°

    Sunrise/Sunset

    • Sunrise: 6:46 AM
    • Sunset: 6:49 PM
    • Duration: 12:03 hr

    Moonrise/Moonset

    • Moonrise: 12:37 AM
    • Moonset: 2:58 PM
    • Duration: 14:21 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps