• Today

    Dec 18

    61°Lo 52°

    Spotty morning showers

    Beneficial weather for asthma
    • Hi
      RealFeel
      61°
    • UV
      1 - Low
    • Air Qual.
      Good
    more
  • Fri

    Dec 19

    62°Lo 50°

    Periods of rain

    Beneficial weather for asthma
    • Hi
      RealFeel
      60°
    • UV
      1 - Low
    • Air Qual.
      Good
  • Sat

    Dec 20

    62°Lo 48°

    Periods of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      61°
    • UV
      2 - Low
    • Air Qual.
      Good
    more
  • Sun

    Dec 21

    64°Lo 52°

    Clouds and breaks of sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      63°
    • UV
      2 - Low
    • Cloud
      Cover
      74%
    more
  • Mon

    Dec 22

    65°Lo 48°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      64°
    • UV
      2 - Low
    • Cloud
      Cover
      18%
    more
Next Previous
Cloudy 53° Lo 52° RealFeel® 53° / 52°

N

E

S

W

  • Precipitation: 11%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 88%
  • Cloud Cover: 95%
  • Dew Point: 49° F
  • Visibility: 10 mi
1 mph

Temperature History - Dec 19

more Historical Weather Data >
  Today Normal Record 12/19/2013
High 62° 58° N/A 59°
Low 50° 38° N/A 44°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:18 AM with 9:35 of sunlight, then sets at 4:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:40 AM with 10:38 of moolight, then sets at 3:18 PM

Los Altos Weather Report

San Francisco: Dry Weather Ahead for the Weekend

December 18, 2014; 9:19 AM ET

Conditions will turn dry for San Francisco this weekend and last into next week. more >

The Dangers of Bus Travel

Dec 10, 2012; 5:00 AM ET While bus transportation is one of the most affordable, it is important to know which motor coach companies rank highest in safety.

Fri. Air Quality

Fri. Asthma Risk

Fri. UV Index