• Early AM

    Sep 21

    Lo 62°

    Partly to mostly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Sep 21

    72°Lo 60°

    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
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      56%
    more
  • Wed

    Sep 24

    74°Lo 63°

    Mostly cloudy

    Low ragweed pollen levels
    • Precip
      18%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      76%
Next Previous
Hi 74° RealFeel® 74° Precipitation 18%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 12 mph

Mostly cloudy

  • Max UV Index: 5 (Moderate)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 63° RealFeel® 58° Precipitation 60%

Night

N

E

S

W

  • WSW 6 mph
  • Gusts: 11 mph

Considerable clouds; a shower in spots in the evening followed by rain and drizzle late

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2.5 hrs
  • Hours of Rain: 2.5 hrs

Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 74° 73° 93° (1978) 71°
Low 63° 55° 40° (1929) 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:59 AM with 12:05 of sunlight, then sets at 7:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:25 AM with 11:53 of moolight, then sets at 7:18 PM

Top Story

San Bruno Weather Report

Dry, Sunny Weather Continues for San Francisco

September 21, 2014; 3:10 AM ET

Sunny skies will bathe the Bay Area for the new week. more >

Wed. Dust & Dander

Wed. Wind Maps