• Wed

    Apr 15

    75°Lo 51°

    Mostly sunny

    Hair Frizz Weather
    • Wind
      Gust
      14 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Thu

    Apr 16

    75°Lo 51°

    Mostly sunny

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      20%
    • Hours of Precip
      0
    more
  • Fri

    Apr 17

    75°Lo 51°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      9 mph
    • Precip
      10%
    • Hours of Precip
      0
  • Sat

    Apr 18

    76°Lo 52°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
  • Sun

    Apr 19

    76°Lo 52°

    Sunny

    Hair Frizz Weather
    • Wind
      Gust
      10 mph
    • Precip
      10%
    • Hours of Precip
      0
    more
Next Previous
Hi 75° RealFeel® 82° Precipitation 10%

Day

N

E

S

W

  • W 4 mph
  • Gusts: 9 mph

Sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 51° RealFeel® 51° Precipitation 5%

Night

N

E

S

W

  • WSW 4 mph
  • Gusts: 9 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Apr 17

more Historical Weather Data >
  Today Normal Record 4/17/2014
High 75° N/A N/A 85°
Low 51° N/A N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:15 of sunlight, then sets at 7:44 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:50 AM with 12:59 of moolight, then sets at 6:49 PM

Tracy Weather Report

San Francisco: Warmth to Hold into New Week

March 26, 2015; 11:35 PM ET

Warm weather and sunshine will continue to hold into the new week across the Bay area. 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.