• Early AM

    May 25

    Lo 55°

    Cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Today

    May 25

    62°Lo 54°

    Clouds giving way to some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
  • Thu

    May 26

    66°Lo 51°

    Clouds giving way to sun

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
  • Fri

    May 27

    70°Lo 52°

    Clouds giving way to sun

    Moderate ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    May 28

    70°Lo 51°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      3 - Moderate
    more
Next Previous
Hi 66° RealFeel® 71° Precipitation 1%

Day

N

E

S

W

  • WSW 9 mph
  • Gusts: 17 mph

Clouds moving away to leave sunshine

  • Max UV Index: 8 (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
Lo 51° RealFeel® 53° Precipitation 0%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 15 mph

Mainly clear

  • 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 26

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

    Moderate

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    High

Temperature History - May 26

more Historical Weather Data >
  Today Normal Record 5/26/2015
High 66° 68° 89° (1974) 65°
Low 51° 52° 42° (1953) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:28 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:36 PM with 10:33 of moolight, then sets at 10:09 AM

San Bruno Weather Report

San Francisco: Cool, cloudy weather to last though midweek

May 25, 2016; 2:26 AM ET

The last full week of May will kick off with cloudy and cool conditions in the Bay Area with rain remaining absent from the forecast. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps