• Today

    May 3

    69°Lo 50°

    Decreasing clouds

    Poor for stargazing
    • Cloud
      Cover
      68%
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Mon

    May 4

    67°Lo 49°

    Areas of low clouds, then sun

    Fair for stargazing
    • Cloud
      Cover
      25%
    • Precip
      0%
    • Hours of Precip
      0
  • Tue

    May 5

    68°Lo 48°

    Mostly sunny and nice

    Very Good for stargazing
    • Cloud
      Cover
      18%
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Wed

    May 6

    67°Lo 48°

    Mostly sunny

    Very Good for stargazing
    • Cloud
      Cover
      23%
    • Precip
      7%
    • Hours of Precip
      0
    more
  • Thu

    May 7

    68°Lo 50°

    Cloudy to partly sunny

    Poor for stargazing
    • Cloud
      Cover
      74%
    • Precip
      53%
    • Hours of Precip
      1.5
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
9am
10am 11am 12pm 1pm 2pm 3pm 4pm
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Forecast
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 56° 58° 61° 63° 65° 66° 67° 65°
RealFeel® 59° 64° 68° 70° 71° 72° 71° 68°
Humidity 77% 72% 67% 63% 60% 56% 55% 57%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  9am 10am 11am 12pm 1pm 2pm 3pm 4pm
Wind (mph) 5 WNW 6 WNW 6 NW 8 NW 9 NW 10 NW 12 NW 12 NW
UV Index 1 4 5 6 7 8 7 5
Cloud Cover 76% 76% 76% 76% 76% 11% 11% 11%
Dew Point 49° 49° 50° 51° 51° 50° 51° 50°
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 5/4/2014
High 67° 72° N/A 72°
Low 49° 47° N/A 53°

Solunar Information for Los Altos, CA

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 13:51 of sunlight, then sets at 8:01 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:46 PM with 10:39 of moolight, then sets at 7:25 AM

Mon, May 4
Full
Mon, May 11
Last
Mon, May 18
New
Mon, May 25
First

Los Altos Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 3, 2015; 12:29 PM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >

Curiosity Tastes Mars

Dec 14, 2012; 5:00 AM ET The Mars Science Laboratory Rover 'Curiosity' continues its sampling and analyzing of the Martian surface.

Mon. Stargazing