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    • Today

      Jun 27

      81° /54°F
      Sunny to partly cloudy
      • 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
    • Wed

      Jun 28

      83° /53°
      Low clouds, then sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Jun 29

      88° /54°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Fri

      Jun 30

      89° /55°
      Patchy fog, then sun and warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Sat

      Jul 1

      91° /56°
      Sunny and very warm
      • Moderate
      • ragweed pollen levels
      • Grass Pollen: Moderate
      • Ragweed Pollen: Moderate
      • Tree Pollen: Moderate
      More

    Day

    81°Hi RealFeel® 83° Precipitation 0%
    Sunny to partly cloudy
    • WSW 10 mph
    • Gusts: 17 mph
    • Max UV Index: 8 (Very High)
    • 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

    54°Lo RealFeel® 53° Precipitation 0%
    Mainly clear this evening followed by late-night low clouds
    • WSW 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

    Napa Pollen Levels Jun 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 6/27/2016
    High 81° 83° 106° (1976) 92°
    Low 54° 54° 43° (1917) 58°

    Sunrise/Sunset

    • Sunrise: 5:47 AM
    • Sunset: 8:37 PM
    • Duration: 14:50 hr

    Moonrise/Moonset

    • Moonrise: 9:54 AM
    • Moonset: 11:40 PM
    • Duration: 13:46 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps