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    • Today

      Sep 25

      87° /55°F
      Warmer with plenty of sun
      • 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
    • Mon

      Sep 26

      86° /54°
      Sunny and very warm
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      Sep 27

      78° /53°
      Areas of fog, then sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Wed

      Sep 28

      70° /53°
      Mostly sunny
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Sep 29

      67° /54°
      Mostly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    60°/55° RealFeel® 61°/56°
    Clear
    • 2 mph
    • Precipitation: 0%
    • Rain: 0 in
    • Snow: 0 in
    • Humidity: 76%
    • Cloud Cover: 0%
    • Dew Point: 50° F
    • Visibility: 10 mi

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/25/2015
    High 87° 73° 91° (1970) 74°
    Low 55° 55° 47° (1972) 58°

    Sunrise/Sunset

    • Sunrise: 7:01 AM
    • Sunset: 7:01 PM
    • Duration: 12:00 hr

    Moonrise/Moonset

    • Moonrise: 1:52 AM
    • Moonset: 4:05 PM
    • Duration: 14:13 hr
    Astronomy

    San Bruno Weather Report

    Northern California towns in danger of running out of water for 3rd year in a row

    September 25, 2016; 3:11 AM ET

    For the third year in a row, some communities in northern California may run out of water due to the extreme drought conditions gripping the state. More >

    Sun. Pollen

    Sun. Dust & Dander

    Sun. Wind Maps