• Tonight

    Sep 17

    Lo 60°

    Mainly clear

    Hair Frizz Weather
    • Wind
      Gust
      20 mph
    • Precip
      4%
    • Hours of Precip
      0
  • Thu

    Sep 18

    76°Lo 58°

    Not as warm with some sun

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Fri

    Sep 19

    84°Lo 63°

    Mostly sunny and seasonable

    Unlikely for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    85°Lo 61°

    Sunny

    Unlikely for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sun

    Sep 21

    85°Lo 61°

    Warm with plenty of sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 77° 80° 82° 84° 86° 86° 84° 82°
RealFeel® 79° 83° 84° 86° 86° 84° 81° 77°
Humidity 32% 29% 28% 26% 25% 25% 27% 28%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
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%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 6 N 6 SW 8 SW 8 SSW 9 SW 9 SW 9 SW 10 SW
UV Index 4 6 6 6 4 3 2 0
Cloud Cover 23% 12% 11% 16% 17% 13% 16% 15%
Dew Point 45° 45° 46° 46° 46° 46° 46° 46°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 86° 85° 100° (1979) 75°
Low 60° 59° 45° (2006) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:47 AM with 12:22 of sunlight, then sets at 7:09 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:53 AM with 14:27 of moolight, then sets at 3:20 PM

Top Story

Colfax Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 17, 2014; 10:22 PM 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