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    • Today

      Sep 29

      66° /55°F
      Clouds breaking for 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: Low
    • Fri

      Sep 30

      66° /56°
      Low clouds breaking; breezy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sat

      Oct 1

      68° /54°
      Some morning sun, then cloudy
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Sun

      Oct 2

      67° /55°
      A passing afternoon shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    • Mon

      Oct 3

      66° /53°
      Cool with some sun
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Low
      More
    Thursday
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    Forecast Cloudy Cloudy Cloudy Cloudy Mostly Sunny Mostly Sunny Mostly Sunny Mostly Sunny
    Temp (°F) 60° 62° 64° 65° 66° 66° 65° 63°
    RealFeel® 60° 63° 67° 68° 69° 67° 65° 60°
    Wind (mph) 8 W 8 W 9 W 9 W 10 W 12 W 12 W 13 W
    precip
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    Rain
    0%
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    Snow
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    Ice
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    SKY
    10am
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    5pm
    UV Index 2 3 4 4 5 4 3 1
    Cloud Cover 97% 95% 95% 95% 25% 24% 22% 25%
    Humidity 72% 68% 65% 61% 58% 60% 62% 65%
    Dew Point 51° 51° 52° 52° 51° 52° 52° 51°
    Temp °F
    10am
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    70° 65° 60°

    Temperature History

    more Historical Weather Data >
      Today Normal Record 9/29/2015
    High 66° 73° 93° (1966) 67°
    Low 55° 55° 45° (1955) 57°

    Sunrise/Sunset

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

    Moonrise/Moonset

    • Moonrise: 5:47 AM
    • Moonset: 6:29 PM
    • Duration: 12:42 hr
    Astronomy

    San Bruno 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