• Tonight

    Mar 4

    Lo 43°

    Mainly clear, cool; fog late

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Thu

    Mar 5

    72°Lo 44°

    Fog in the a.m.; mostly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Fri

    Mar 6

    73°Lo 44°

    Fog in the a.m.; mostly sunny

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sat

    Mar 7

    76°Lo 41°

    Mostly sunny and pleasant

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Sun

    Mar 8

    76°Lo 43°

    Sunny to partly cloudy

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 67° RealFeel® 74° Precipitation 1%

Day

N

E

S

W

  • NNE 4 mph
  • Gusts: 8 mph

Plenty of sun

  • Max UV Index: 5 (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 43° RealFeel® 46° Precipitation 2%

Night

N

E

S

W

  • ENE 2 mph
  • Gusts: 8 mph

Mostly clear and seasonably cool; patchy fog late

  • 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 - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 67° N/A N/A 62°
Low 43° N/A N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 11:29 of sunlight, then sets at 6:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:27 PM with 12:54 of moolight, then sets at 6:21 AM

Tracy Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Wed. Snow Day Potential