• Sun

    Jul 20

    84°Lo 62°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      30%
    more
  • Mon

    Jul 21

    87°Lo 62°

    Mostly sunny and warm

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      16%
  • Tue

    Jul 22

    83°Lo 61°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      22%
    more
  • Wed

    Jul 23

    79°Lo 62°

    Clouds and sun

    Ragweed Pollen Weather
    • Precip
      0%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      55%
    more
  • Thu

    Jul 24

    83°Lo 55°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      14%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 87° RealFeel® 87° Precipitation 0%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 18 mph

Mostly sunny and warm

  • Max UV Index: 9 (Very High)
  • Thunderstorms: 0%
  • 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® 61° Precipitation 0%

Night

N

E

S

W

  • W 3 mph
  • Gusts: 14 mph

Mainly clear

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

Temperature History - Jul 21

more Historical Weather Data >
  Today Normal Record 7/21/2013
High 87° 80° N/A 73°
Low 62° 56° N/A 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:04 AM with 14:21 of sunlight, then sets at 8:25 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:58 AM with 14:16 of moolight, then sets at 4:14 PM

Top Story

Los Altos Weather Report

San Francisco: Partially Sunny Skies, Rise in Temperature Ahead

July 10, 2014; 9:19 PM ET

San Francisco will see a rise in temperatures over the next several days as partially cloudy skies make way for plenty of sunshine. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.