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    • Early AM

      Feb 20

      55° Lo
      Rain, heavy at times
      • Ragweed Pollen
        • Ragweed Pollen
        • Grass Pollen
        • Tree Pollen
        • Mold
        • Dust & Dander
        • Air Quality Index
      • Ragweed Pollen
      • Weather
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Today

      Feb 20

      60° /57°
      Windy with pouring rain
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Tue

      Feb 21

      61° /45°F
      Mostly cloudy, showers around
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
    • Wed

      Feb 22

      56° /46°
      Mostly cloudy with a shower
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More
    • Thu

      Feb 23

      56° /43°
      Partly sunny and cool
      • Low
      • ragweed pollen levels
      • Grass Pollen: Low
      • Ragweed Pollen: Low
      • Tree Pollen: Moderate
      More

    Day

    61°Hi RealFeel® 68° Precipitation 68%
    Mostly cloudy with a couple of showers
    • W 9 mph
    • Gusts: 32 mph
    • Max UV Index: 3 (Moderate)
    • Thunderstorms: 20%
    • Precipitation: 0.12 in
    • Rain: 0.12 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 2 hrs
    • Hours of Rain: 2 hrs

    Night

    45°Lo RealFeel® 37° Precipitation 60%
    Cloudy with a couple of showers, mainly later
    • WSW 8 mph
    • Gusts: 16 mph
    • Max UV Index: N/A
    • Thunderstorms: 20%
    • Precipitation: 0.05 in
    • Rain: 0.05 in
    • Snow: 0 in
    • Ice: 0 in
    • Hours of Precipitation: 1.5 hrs
    • Hours of Rain: 1.5 hrs

    San Bruno Pollen Levels Feb 21

    • 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 2/21/2016
    High 61° 60° 72° (1985) 61°
    Low 45° 47° 34° (1955) 45°

    Sunrise/Sunset

    • Sunrise: 6:52 AM
    • Sunset: 5:55 PM
    • Duration: 11:03 hr

    Moonrise/Moonset

    • Moonrise: 3:14 AM
    • Moonset: 1:31 PM
    • Duration: 10:17 hr
    Astronomy

    Tue. Pollen

    Tue. Dust & Dander

    Tue. Wind Maps