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    • Today

      Sep 29

      64° /55°F
      Clouds breaking for sun; cool
      • 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
    • Fri

      Sep 30

      65° /55°
      Low clouds break for some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      67° /54°
      Some morning sun, then cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      64° /55°
      Mostly cloudy and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      64° /53°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More

    Day

    64°Hi RealFeel® 64° Precipitation 2%
    Cool with low clouds followed by sunshine
    • WSW 10 mph
    • Gusts: 16 mph
    • Max UV Index: 5 (Moderate)
    • Thunderstorms: 13%
    • Precipitation: 0 in
    • Rain: 0 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 0 hrs
    • Hours of Rain: 0 hrs

    Night

    55°Lo RealFeel® 51° Precipitation 5%
    Mainly clear this evening followed by low clouds late
    • W 9 mph
    • Gusts: 15 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 Sep 29

    • 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 9/29/2015
    High 64° 70° 93° (1988) 64°
    Low 55° 55° 49° (1952) 59°

    Sunrise/Sunset

    • Sunrise: 7:04 AM
    • Sunset: 6:54 PM
    • Duration: 11:50 hr

    Moonrise/Moonset

    • Moonrise: 5:47 AM
    • Moonset: 6:30 PM
    • Duration: 12:43 hr
    Astronomy

    San Francisco Weather Report

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

    September 29, 2016; 10:40 AM ET

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

    Thu. Pollen

    Thu. Dust & Dander

    Thu. Wind Maps