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    • Today

      May 26

      75° /52°
      Clouds giving way to some sun
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sun

      May 27

      89° /58°F
      Sunny much of the time
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Mon

      May 28

      97° /63°
      Blazing sunshine; hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      May 29

      95° /56°
      Blazing sunshine; hot
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      May 30

      80° /51°
      Partly sunny; cooler
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    89°Hi RealFeel® 92° Precipitation 0%
    Sunny much of the time
    • Winds from the
    • WNW 9 mph
    • Gusts: 16 mph
    • Max UV Index: 11 (Extreme)
    • 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

    58°Lo RealFeel® 57° Precipitation 0%
    Clear to partly cloudy
    • Winds from the
    • W 6 mph
    • Gusts: 13 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

    Vacaville Pollen Levels May 27

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

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Moderate

    Temperature History

    more Historical Weather Data >
      Today Normal Record 5/27/2017
    High 89° 85° 99° (1974) 80°
    Low 58° 54° 38° (1923) 54°

    Sunrise/Sunset

    • Sunrise: 5:48 AM
    • Sunset: 8:22 PM
    • Duration: 14:34 hr

    Moonrise/Moonset

    • Moonrise: 6:40 PM
    • Moonset: 5:32 AM
    • Duration: 10:52 hr
    Astronomy

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps