• Today

    Feb 27

    61°Lo 52°

    Mostly cloudy with a shower

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

    Feb 28

    61°Lo 48°

    A couple of showers

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

    Mar 1

    64°Lo 48°

    Partly sunny

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

    Mar 2

    61°Lo 48°

    An afternoon shower or two

    Low ragweed pollen levels
    • Precip
      55%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      71%
    more
  • Tue

    Mar 3

    62°Lo 47°

    Plenty of sunshine

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      3%
    more
Next Previous
Hi 61° RealFeel® 63° Precipitation 61%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 10 mph

Variable cloudiness with spotty showers

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.08 in
  • Rain: 0.08 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 48° RealFeel® 45° Precipitation 55%

Night

N

E

S

W

  • WNW 6 mph
  • Gusts: 8 mph

A passing shower in the evening; otherwise, partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs

San Bruno Pollen Levels - February 28

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - Feb 28

more Historical Weather Data >
  Today Normal Record 2/28/2014
High 61° 61° 73° (1959) 61°
Low 48° 47° 33° (1955) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:43 AM with 11:19 of sunlight, then sets at 6:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:53 PM with 14:13 of moolight, then sets at 4:06 AM

San Bruno Weather Report

Western Storm to Deliver Fraction of Much-Needed Rain, Snow

February 27, 2015; 9:20 AM ET

A slow-moving storm will continue to affect the West this weekend and into the first part of next week with rounds of precipitation for some needy areas as well as trouble for travelers. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps