, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Early AM

      Oct 1

      49° Lo
      Increasing clouds
      • 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

      Oct 1

      75° /47°F
      Low clouds, then sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Oct 2

      67° /44°
      An afternoon shower in spots
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      66° /51°
      Cool with clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Oct 4

      72° /46°
      Cool with clouds breaking
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    75°Hi RealFeel® 77° Precipitation 11%
    Low clouds followed by sunshine and cool
    • WNW 7 mph
    • Gusts: 15 mph
    • Max UV Index: 4 (Moderate)
    • Thunderstorms: 6%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    47°Lo RealFeel® 45° Precipitation 20%
    Cool; mainly clear this evening, becoming cloudy late
    • W 5 mph
    • Gusts: 10 mph
    • Max UV Index: N/A
    • Thunderstorms: 1%
    • 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 Oct 1

    • 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 10/1/2015
    High 75° 81° 106° (1980) 77°
    Low 47° 51° 36° (1950) 58°

    Sunrise/Sunset

    • Sunrise: 7:06 AM
    • Sunset: 6:51 PM
    • Duration: 11:45 hr

    Moonrise/Moonset

    • Moonrise: 7:40 AM
    • Moonset: 7:31 PM
    • Duration: 11:51 hr
    Astronomy

    Napa Weather Report

    Cooler air, showers to aid in wildfire efforts across California this weekend

    October 1, 2016; 3:10 AM ET

    Improving weather over the next several days will aid officials in battling wildfires across California. More >

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps