• Today

    Sep 22

    73°Lo 60°

    Increasing amounts of sun

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

    Sep 23

    75°Lo 62°

    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

    76°Lo 62°

    Times of clouds and sun

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

    Sep 25

    73°Lo 58°

    Partly sunny, showers around

    Low ragweed pollen levels
    • Precip
      62%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      55%
    more
  • Fri

    Sep 26

    70°Lo 58°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      9 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 76° RealFeel® 77° Precipitation 17%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 12 mph

Periods of clouds and sunshine

  • 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 62° RealFeel® 59° Precipitation 25%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 8 mph

Mainly cloudy

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

Temperature History - Sep 24

more Historical Weather Data >
  Today Normal Record 9/24/2013
High 76° 77° N/A 70°
Low 62° 53° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:59 AM with 12:04 of sunlight, then sets at 7:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:24 AM with 11:54 of moolight, then sets at 7:18 PM

Top Story

San Mateo Weather Report

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

September 22, 2014; 8:19 AM ET

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

Wed. Dust & Dander

Wed. Wind Maps