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    • Today

      Apr 22

      68° /50°
      Partly sunny
      • 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: Moderate
      More
    • Mon

      Apr 23

      70° /51°F
      Partly sunny and nice
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Tue

      Apr 24

      67° /51°
      Partial sunshine
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Apr 25

      64° /51°
      Some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Apr 26

      62° /51°
      Mostly cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    70°Hi RealFeel® 75° Precipitation 0%
    Partly sunny and nice
    • Winds from the
    • WSW 7 mph
    • Gusts: 13 mph
    • Max UV Index: 9 (Very High)
    • 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

    51°Lo RealFeel® 49° Precipitation 0%
    Partly cloudy
    • Winds from the
    • WSW 6 mph
    • Gusts: 13 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 Apr 23

    • Extreme
    • Very High
    • High
    • Moderate
    • Low
    • Tree Pollen

      Moderate

    • Ragweed Pollen

      Low

    • Mold

      Low

    • Grass Pollen

      Low

    Temperature History

    more Historical Weather Data >
      Today Normal Record 4/23/2017
    High 70° 64° 87° (1910) 60°
    Low 51° 50° 43° (1899) 53°

    Sunrise/Sunset

    • Sunrise: 6:24 AM
    • Sunset: 7:53 PM
    • Duration: 13:29 hr

    Moonrise/Moonset

    • Moonrise: 1:24 PM
    • Moonset: 3:33 AM
    • Duration: 14:09 hr
    Astronomy

    Mon. Pollen

    Mon. Dust & Dander

    Mon. Wind Maps