, °F

Personalized Forecasts

Featured Forecast

My Favorite Forecasts

    My Recent Locations

    • Today

      Jan 18

      56° /49°
      Heavy rain developing
      • 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
    • Thu

      Jan 19

      56° /49°F
      A brief shower or two
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Fri

      Jan 20

      55° /48°
      Cloudy, showers; breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Jan 21

      57° /52°
      Periods of clouds and sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Jan 22

      56° /45°
      A.M. downpours; brief showers
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    56°Hi RealFeel® 52° Precipitation 63%
    Mostly cloudy with a brief shower or two
    • WSW 10 mph
    • Gusts: 15 mph
    • Max UV Index: 2 (Low)
    • Thunderstorms: 20%
    • Precipitation: 0.11 in
    • Rain: 0.11 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    49°Lo RealFeel® 35° Precipitation 81%
    Breezy; an evening shower, then late-night rain, heavy at times; watch for flooding
    • S 15 mph
    • Gusts: 24 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.65 in
    • Rain: 0.65 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 7 hrs
    • Hours of Rain: 7 hrs

    San Francisco Pollen Levels Jan 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 1/19/2016
    High 56° 57° 70° (1989) 61°
    Low 49° 46° 32° (1922) 54°

    Sunrise/Sunset

    • Sunrise: 7:23 AM
    • Sunset: 5:19 PM
    • Duration: 9:56 hr

    Moonrise/Moonset

    • Moonrise: 12:02 AM
    • Moonset: 11:43 AM
    • Duration: 11:41 hr
    Astronomy

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps