• Wed

    Feb 17

    54°Lo 45°

    Cloudy and cooler

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Thu

    Feb 18

    65°Lo 36°

    Mostly sunny and warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Fri

    Feb 19

    67°Lo 48°

    Mostly cloudy

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Feb 20

    67°Lo 43°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sun

    Feb 21

    60°Lo 39°

    Sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 54° RealFeel® 54° Precipitation 25%

Day

N

E

S

W

  • WSW 7 mph
  • Gusts: 24 mph

Cloudy and cooler

  • Max UV Index: 3 (Moderate)
  • 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 45° RealFeel® 45° Precipitation 3%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 18 mph

Mainly 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 - Feb 17

more Historical Weather Data >
  Today Normal Record 2/17/2015
High 54° 62° N/A 64°
Low 45° 40° N/A 46°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:54 AM with 10:53 of sunlight, then sets at 5:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:23 PM with 14:28 of moolight, then sets at 3:51 AM

Tracy Weather Report

San Francisco: Warmth to fall short of record highs early this week

February 7, 2016; 11:31 PM ET

Milder air will build across San Francisco this week with temperatures running above average. more >

Health Weather

Jan 19, 2016; 10:05 AM ET How the weather impacts people's health