• Today

    May 27

    81°Lo 52°

    Sunny to partly cloudy

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      83°
    more
  • Thu

    May 28

    85°Lo 54°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      88°
  • Fri

    May 29

    89°Lo 56°

    Mostly sunny and warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      93°
    more
  • Sat

    May 30

    88°Lo 56°

    Partly sunny and warm

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      95°
    more
  • Sun

    May 31

    81°Lo 56°

    Partly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0.5
    • Precip
      6%
    • Hi
      RealFeel
      83°
    more
Next Previous
Hi 85° RealFeel® 88° Precipitation 3%

Day

N

E

S

W

  • WNW 8 mph
  • Gusts: 15 mph

Mostly sunny

  • Max UV Index: 9 (Very 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 54° RealFeel® 54° Precipitation 1%

Night

N

E

S

W

  • NW 6 mph
  • Gusts: 14 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 - May 28

more Historical Weather Data >
  Today Normal Record 5/28/2014
High 85° N/A N/A 78°
Low 54° N/A N/A 65°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:32 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:43 PM with 11:45 of moolight, then sets at 3:28 AM

Tracy Weather Report

San Francisco: Seasonable, Dry Weather to Remain Through Late Week

May 27, 2015; 10:33 AM ET

Dry and seasonable weather is forecast for San Francisco this week. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Thu. Overnight Freeze

Thu. Degree Days

Thu. Evapotranspiration