• Today

    Apr 24

    69°Lo 57°

    Clouds and sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Apr 25

    60°Lo 46°

    A couple of t-storms; cooler

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Apr 26

    63°Lo 48°

    Cool with clouds and sun

    Low indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sun

    Apr 27

    66°Lo 49°

    Times of clouds and sun

    Low indoor dust & dander levels
    • Precip
      25%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      66%
    more
  • Mon

    Apr 28

    73°Lo 52°

    Mostly sunny

    Low indoor dust & dander levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      11%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
2am 3am 4am 5am 6am 7am 8am
  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Showers
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 58° 58° 58° 58° 58° 58° 57° 58°
RealFeel® 57° 57° 56° 57° 57° 56° 55° 55°
Humidity 73% 73% 73% 73% 74% 75% 76% 76%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
8%
 
47%
 
51%
 
47%
 
18%
 
18%
 
23%
 
43%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 3 W 3 W 2 W 2 W 2 WNW 3 WSW 4 SW 6 SSW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 92% 92% 92% 92% 92% 93% 93% 90%
Dew Point 50° 50° 50° 50° 50° 50° 50° 50°
Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 25

more Historical Weather Data >
  Today Normal Record 4/25/2013
High 60° 71° N/A 66°
Low 46° 46° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:21 AM with 13:32 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:07 AM with 12:18 of moolight, then sets at 4:25 PM

Top Story

Los Altos Weather Report

San Francisco: Chance of Rain to Return Late Week

April 24, 2014; 3:01 AM ET

After receiving 0.4 of an inch of rain Tuesday, drier weather will linger in the area throughout the week until Friday. more >

Is it a Cold or the Flu?

Apr 19, 2014; 5:00 AM ET Symptoms caused by the common cold can often resemble those associated with the influenza virus, so how do you differentiate between the two?

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps