• Tonight

    Jul 9

    Lo 59°

    Clear to partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Thu

    Jul 10

    75°Lo 60°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Jul 11

    74°Lo 60°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sat

    Jul 12

    75°Lo 58°

    Mostly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      18%
    more
  • Sun

    Jul 13

    76°Lo 60°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am
  8am 9am
Forecast
Sunny
Sunny
Temp (°F) 63° 66°
RealFeel® 65° 69°
Humidity 72% 65%
   
  8am 9am
Rain
 
0%
 
0%
Snow
 
0%
 
0%
Ice
 
0%
 
0%
   
  8am 9am
Wind (mph) 4 ESE 3 NE
UV Index 2 3
Cloud Cover 0% 0%
Dew Point 54° 54°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 9

more Historical Weather Data >
  Today Normal Record 7/9/2013
High 77° 80° N/A 81°
Low 59° 55° N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:35 of sunlight, then sets at 8:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:50 PM with 10:22 of moolight, then sets at 4:12 AM

Top Story

Los Altos Weather Report

San Francisco: Dry, Sunny Conditions Ahead

July 10, 2014; 1:01 AM ET

With no rain to provide drought relief, San Francisco will see an extended stretch of sunshine and seasonable temperatures ahead. more >

Battling the Common Cold

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

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps