• Today

    Sep 21

    71°Lo 61°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Mon

    Sep 22

    72°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Tue

    Sep 23

    74°Lo 61°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Wed

    Sep 24

    74°Lo 64°

    Mostly cloudy

    Low ragweed pollen levels
    • Precip
      18%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      76%
    more
  • Thu

    Sep 25

    71°Lo 61°

    Partly sunny with a shower

    Ragweed Pollen Weather
    • Precip
      55%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      55%
Next Previous
Mainly clear 65° Lo 62° RealFeel® 61° / 59°

N

E

S

W

  • Precipitation: 13%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 81%
  • Cloud Cover: 20%
  • Dew Point: 57° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 25

more Historical Weather Data >
  Today Normal Record 9/25/2013
High 71° 73° 91° (1970) 67°
Low 61° 55° 47° (1972) 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:00 AM with 12:02 of sunlight, then sets at 7:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:21 AM with 11:30 of moolight, then sets at 7:51 PM

Top Story

San Bruno Weather Report

Dry, Sunny Weather Continues for Much of the Week in San Francisco

September 21, 2014; 3:10 AM ET

Sunshine will continue for much of the region this week. more >

Thu. Dust & Dander

Thu. Wind Maps