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    • Early AM

      Dec 18

      38° Lo
      Mainly clear
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Today

      Dec 18

      63° /37°
      Plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      58° /39°F
      Some sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Wed

      Dec 20

      54° /31°
      Times of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Thu

      Dec 21

      58° /28°
      Plenty of sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    58°Hi RealFeel® 62° Precipitation 21%
    Some sunshine
    • Winds from the
    • SSW 4 mph
    • Gusts: 6 mph
    • Max UV Index: 2 (Low)
    • 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

    39°Lo RealFeel® 36° Precipitation 60%
    Rather cloudy and cool with a passing shower or two
    • Winds from the
    • WSW 5 mph
    • Gusts: 7 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.12 in
    • Rain: 0.12 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Calistoga Pollen Levels Dec 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 12/19/2016
    High 58° 58° 69° (1996) 49°
    Low 39° 36° 24° (2012) 31°

    Sunrise/Sunset

    • Sunrise: 7:23 AM
    • Sunset: 4:52 PM
    • Duration: 9:29 hr

    Moonrise/Moonset

    • Moonrise: 8:21 AM
    • Moonset: 6:24 PM
    • Duration: 10:03 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps