• Today

    May 22

    65°Lo 55°

    Cool with variable clouds

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    May 23

    65°Lo 53°

    Clouds giving way to some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sun

    May 24

    67°Lo 55°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Mon

    May 25

    67°Lo 55°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      60%
    more
  • Tue

    May 26

    68°Lo 54°

    Low clouds, then sun

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      60%
    more
Next Previous
Hi 65° RealFeel® 68° Precipitation 4%

Day

N

E

S

W

  • W 12 mph
  • Gusts: 20 mph

Clouds giving way to some sun

  • Max UV Index: 6 (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
Lo 53° RealFeel® 52° Precipitation 3%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 17 mph

Partly cloudy in the evening followed by low clouds late

  • 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 Bruno Pollen Levels - May 23

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 23

more Historical Weather Data >
  Today Normal Record 5/23/2014
High 65° 68° 88° (2000) 69°
Low 53° 52° 46° (1954) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:25 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:11 AM with 13:43 of moolight, then sets at 12:54 AM

San Bruno Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 22, 2015; 5:37 PM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps