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    • Today

      Aug 18

      88° /68°
      Humid with sunshine
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Aug 19

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

      Aug 20

      91° /69°
      Partly sunny and humid
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Aug 21

      87° /73°
      Partly sunny and humid
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Moderate
      • Tree Pollen: Low
      More
    • Tue

      Aug 22

      92° /73°
      Thundershower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    89°Hi RealFeel® 102° Precipitation 40%
    Variable clouds with a shower or thunderstorm in the area
    • Winds from the
    • WSW 6 mph
    • Gusts: 8 mph
    • Max UV Index: 9 (Very High)
    • Thunderstorms: 40%
    • Precipitation: 0.08 in
    • Rain: 0.08 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1 hrs
    • Hours of Rain: 1 hrs

    Night

    68°Lo RealFeel® 69° Precipitation 7%
    Mainly clear
    • Winds from the
    • E 4 mph
    • Gusts: 6 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 Aug 19

    • 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 8/19/2016
    High 89° 89° N/A 84°
    Low 68° 65° N/A 72°

    Sunrise/Sunset

    • Sunrise: 6:17 AM
    • Sunset: 7:42 PM
    • Duration: 13:25 hr

    Moonrise/Moonset

    • Moonrise: 3:52 AM
    • Moonset: 6:16 PM
    • Duration: 14:24 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps