• Today

    May 4

    70°Lo 55°

    Mostly cloudy

    Very Good for an outdoor bbq
    • Precip
      10%
    • Hi
      RealFeel
      76°
    • Wind
      Speed
      7 mph
  • Thu

    May 5

    67°Lo 55°

    Thundershower

    Very Good for an outdoor bbq
    • Precip
      57%
    • Hi
      RealFeel
      75°
    • Wind
      Speed
      6 mph
    more
  • Fri

    May 6

    66°Lo 53°

    Clouds and sun with a t-storm

    Good for an outdoor bbq
    • Precip
      55%
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      6 mph
    more
  • Sat

    May 7

    69°Lo 54°

    Periods of sun

    Excellent for an outdoor bbq
    • Precip
      25%
    • Hi
      RealFeel
      77°
    • Wind
      Speed
      5 mph
    more
  • Sun

    May 8

    70°Lo 52°

    Low clouds

    Excellent for an outdoor bbq
    • Precip
      17%
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      5 mph
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 58° 61° 63° 66° 68° 69° 70° 70°
RealFeel® 61° 64° 69° 72° 73° 76° 76° 74°
Humidity 52% 47% 44% 41% 38% 36% 34% 35%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
 
1%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 2 NNE 2 N 4 NNE 5 NNE 6 N 7 N 8 N 8 NNW
UV Index 1 1 3 4 5 6 6 5
Cloud Cover 93% 99% 99% 96% 98% 84% 76% 76%
Dew Point 41° 41° 41° 41° 42° 42° 41° 41°
Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 70° 72° N/A 65°
Low 55° 47° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:09 AM with 13:53 of sunlight, then sets at 8:02 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:55 AM with 12:53 of moolight, then sets at 5:48 PM

Los Altos Weather Report

San Francisco: Showery weather to arrive by late week

May 4, 2016; 12:34 PM ET

Clouds and showers will move into the Bay Area following a dry start to May. 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.

Wed. Outdoor Entertaining

Wed. Wind Maps

Wed. UV Index