• Tonight

    Mar 4

    Lo 43°

    Mainly clear, cool; fog late

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Thu

    Mar 5

    72°Lo 44°

    Fog in the a.m.; mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Mar 6

    73°Lo 44°

    Fog in the a.m.; mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Sat

    Mar 7

    76°Lo 41°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      23%
    more
  • Sun

    Mar 8

    76°Lo 43°

    Sunny to partly cloudy

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      25%
    more
Next Previous
Hi 73° RealFeel® 75° Precipitation 3%

Day

N

E

S

W

  • NNW 6 mph
  • Gusts: 12 mph

Sunny much of the time; patchy fog in the morning, then nice in the afternoon

  • 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 44° RealFeel® 46° Precipitation 1%

Night

N

E

S

W

  • NW 4 mph
  • Gusts: 7 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 - Mar 6

more Historical Weather Data >
  Today Normal Record 3/6/2014
High 73° N/A N/A 71°
Low 44° N/A N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:31 AM with 11:34 of sunlight, then sets at 6:05 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:16 PM with 12:06 of moolight, then sets at 7:22 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 >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Fri. Dust & Dander

Fri. Wind Maps