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    • Today

      Dec 15

      60° /52°
      Some sun, then clouds
      • 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
    • Sat

      Dec 16

      65° /52°F
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
    • Sun

      Dec 17

      63° /48°
      Plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Dec 18

      62° /46°
      Plenty of sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Tue

      Dec 19

      62° /50°
      Sunny to partly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    65°Hi RealFeel® 63° Precipitation 0%
    Mostly sunny
    • Winds from the
    • N 13 mph
    • Gusts: 20 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

    52°Lo RealFeel® 48° Precipitation 1%
    Mainly clear
    • Winds from the
    • N 10 mph
    • Gusts: 16 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

    San Francisco Pollen Levels Dec 16

    • 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 12/16/2016
    High 65° 57° 71° (1998) 53°
    Low 52° 46° 37° (1963) 48°

    Sunrise/Sunset

    • Sunrise: 7:18 AM
    • Sunset: 4:52 PM
    • Duration: 9:34 hr

    Moonrise/Moonset

    • Moonrise: 5:44 AM
    • Moonset: 4:11 PM
    • Duration: 10:27 hr
    Astronomy

    Sat. Pollen

    Sat. Dust & Dander

    Sat. Wind Maps