• Today

    Jul 31

    80°Lo 61°

    Low clouds breaking

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      85°
    • Wind
      Speed
      7 mph
  • Sat

    Aug 1

    78°Lo 62°

    Low clouds, then some sun

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      8 mph
    more
  • Sun

    Aug 2

    77°Lo 61°

    Low clouds, then sunshine

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Aug 3

    77°Lo 57°

    Clouds, then sun

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      81°
    • Wind
      Speed
      9 mph
    more
  • Tue

    Aug 4

    75°Lo 56°

    Low clouds, then sun

    Excellent for an outdoor bbq
    • Precip
      0%
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      8 mph
    more
Next Previous
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Forecast
Cloudy
Mostly Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Sunny
Mostly Sunny
Temp (°F) 64° 67° 70° 73° 76° 78° 79° 80°
RealFeel® 65° 69° 74° 79° 82° 83° 85° 84°
Humidity 44% 40% 37% 34% 33% 33% 33% 36%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
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  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 5 N 5 N 5 N 5 N 6 NNW 7 NW 8 NW 9 WNW
UV Index 1 2 3 5 6 6 8 7
Cloud Cover 93% 87% 91% 95% 95% 95% 26% 26%
Dew Point 42° 42° 42° 43° 45° 46° 48° 50°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F

Temperature History - Jul 31

more Historical Weather Data >
  Today Normal Record 7/31/2014
High 80° 79° N/A 78°
Low 61° 56° N/A 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:12 AM with 14:05 of sunlight, then sets at 8:17 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:26 PM with 11:16 of moolight, then sets at 7:42 AM

Los Altos Weather Report

San Francisco: Dry Weather Continues in the Bay Area

July 31, 2015; 10:41 AM ET

The only fly in the ointment in the forecast will be low morning clouds which may cause travel delays at San Francisco International Airport. more >

Is Your Outdoor Gear Waterproof?

Dec 5, 2012; 5:00 AM ET Now that it's cold enough to hit the slopes, you may want to look more closely at what materials your winter sports gear is made of. As it turns out, not all waterproofing is created equal.

Fri. Outdoor Entertaining

Fri. Wind Maps

Fri. UV Index