• Today

    Sep 2

    79°Lo 60°

    Low clouds, then some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Sep 3

    73°Lo 59°

    Low clouds, then sun and cool

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Fri

    Sep 4

    72°Lo 58°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 5

    76°Lo 56°

    Clouds breaking for sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Sep 6

    83°Lo 55°

    Sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mainly clear 65° Lo 60° RealFeel® 63° / 60°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 64%
  • Cloud Cover: 13%
  • Dew Point: 50° F
  • Visibility: 10 mi
6 mph

Temperature History - Sep 3

more Historical Weather Data >
  Today Normal Record 9/3/2014
High 73° 80° N/A 79°
Low 59° 54° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:55 of sunlight, then sets at 7:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:11 PM with 14:10 of moolight, then sets at 1:21 PM

Los Altos Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 2, 2015; 3:20 PM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps