• Thu

    Aug 13

    82°Lo 59°

    Sunny

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

    Aug 14

    80°Lo 62°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      24%
    more
  • Sat

    Aug 15

    81°Lo 63°

    Partial sunshine

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      4%
    more
  • Sun

    Aug 16

    82°Lo 59°

    Partial sunshine

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      14%
    more
  • Mon

    Aug 17

    78°Lo 59°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      23%
    more
Next Previous
Hi 82° RealFeel® 83° Precipitation 14%

Day

N

E

S

W

  • WNW 6 mph
  • Gusts: 20 mph

Sunny

  • Max UV Index: 8 (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 59° RealFeel® 59° Precipitation 20%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 17 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 - Aug 13

more Historical Weather Data >
  Today Normal Record 8/13/2014
High 82° 79° N/A 77°
Low 59° 55° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:23 AM with 13:40 of sunlight, then sets at 8:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:36 AM with 13:49 of moolight, then sets at 7:25 PM

Los Altos Weather Report

San Francisco: Comfortable Conditions to End July

July 30, 2015; 4:31 AM ET

A pattern of cooler and seasonable weather will enter the city of San Francisco through the end of July and into the early part of August. more >