• Tonight

    Jul 4

    Lo 63°

    Mostly clear

    Hair Frizz Weather
    • Wind
      Gust
      25 mph
    • Precip
      1%
    • Hours of Precip
      0
  • Sun

    Jul 5

    92°Lo 62°

    Sunshine

    Unlikely for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Mon

    Jul 6

    89°Lo 59°

    Plenty of sun

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Tue

    Jul 7

    86°Lo 58°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      20 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Wed

    Jul 8

    85°Lo 58°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
8am
9am 10am 11am 12pm 1pm 2pm 3pm
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 72° 76° 81° 85° 90° 93° 95° 97°
RealFeel® 72° 78° 87° 93° 96° 97° 99° 98°
Humidity 64% 56% 44% 39% 35% 30% 27% 25%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
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0%
   
  8am 9am 10am 11am 12pm 1pm 2pm 3pm
Wind (mph) 5 NW 5 WNW 5 NNW 6 NW 7 WNW 9 NW 12 NW 15 WNW
UV Index 1 2 5 7 8 9 8 7
Cloud Cover 75% 82% 30% 16% 17% 15% 12% 14%
Dew Point 59° 59° 57° 58° 59° 57° 57° 56°
Middle Grid line 100 F Middle Grid line 95 F Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Jul 4

more Historical Weather Data >
  Today Normal Record 7/4/2014
High 97° N/A N/A 98°
Low 63° N/A N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:43 of sunlight, then sets at 8:32 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 10:31 PM with 11:25 of moolight, then sets at 9:56 AM

Tracy Weather Report

San Francisco: Cooler, Comfortable Conditions to Start Week

July 4, 2015; 12:43 PM ET

The San Francisco area will remain cool and comfortable into the early part of the upcoming workweek. 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.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index