• Today

    May 27

    89°Lo 59°

    Mostly sunny

    Beneficial weather for asthma
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Sat

    May 28

    91°Lo 56°

    Plenty of sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      93°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    more
  • Sun

    May 29

    91°Lo 55°

    Sunny and warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      96°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Mon

    May 30

    95°Lo 58°

    Mostly sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      97°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    more
  • Tue

    May 31

    98°Lo 56°

    Blazing sunshine and hot

    Beneficial weather for asthma
    • Hi
      RealFeel
      102°
    • UV
      7 - Very High
    • Air Qual.
      Good
Next Previous
Hi 98° RealFeel® 102° Precipitation 1%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 14 mph

Blazing sunshine and hot

  • 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 56° RealFeel® 56° Precipitation 1%

Night

N

E

S

W

  • W 6 mph
  • Gusts: 13 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 - May 31

more Historical Weather Data >
  Today Normal Record 5/31/2015
High 98° 84° N/A 81°
Low 56° 53° N/A 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:46 AM with 14:36 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 12:37 of moolight, then sets at 3:26 PM

Tracy Weather Report

San Francisco: Milder air to build ahead of Memorial Day weekend

May 27, 2016; 12:12 PM ET

Following a stretch of cool days, milder air will begin to build across the Bay area heading into Memorial Day weekend. more >

Tue. Asthma Risk

Tue. UV Index