• Early AM

    Sep 17

    Lo 60°

    Clear

    Hair Frizz Weather
    • Wind
      Gust
      14 mph
    • Precip
      4%
    • Hours of Precip
      0
    more
  • Today

    Sep 17

    77°Lo 65°

    Low clouds break for some sun

    Watch for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      12%
    • Hours of Precip
      0
  • Thu

    Sep 18

    75°Lo 64°

    Partly sunny

    Advisory for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    75°Lo 61°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    75°Lo 62°

    Plenty of sunshine

    Watch for hair frizz
    • Wind
      Gust
      11 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Clear
Clear
Sunny
Cloudy
Cloudy
Cloudy
Temp (°F) 62° 62° 61° 60° 60° 63° 65° 67°
RealFeel® 61° 60° 60° 59° 58° 62° 66° 68°
Humidity 86% 83% 84% 85% 86% 79% 75% 70%
   
  3am 4am 5am 6am 7am 8am 9am 10am
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%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 3 N 3 N 2 N 2 N 2 NNE 3 SSE 3 S 4 SSE
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 19% 12% 6% 4% 3% 92% 95% 95%
Dew Point 58° 56° 56° 56° 55° 56° 57° 57°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 77° 80° N/A 73°
Low 65° 52° N/A 58°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:52 AM with 12:21 of sunlight, then sets at 7:13 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 AM with 14:19 of moolight, then sets at 3:21 PM

Top Story

Los Altos Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 17, 2014; 4:02 AM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index