• Tue

    May 19

    86°Lo 52°

    Partly sunny and warm

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      50%
    more
  • Wed

    May 20

    80°Lo 52°

    Sunny

    Ragweed Pollen Weather
    • Precip
      20%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      10%
    more
  • Thu

    May 21

    80°Lo 52°

    Sunshine

    Ragweed Pollen Weather
    • Precip
      5%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      2%
  • Fri

    May 22

    79°Lo 52°

    A blend of sun and clouds

    Ragweed Pollen Weather
    • Precip
      25%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      60%
    more
  • Sat

    May 23

    79°Lo 58°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      10%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      17%
    more
Next Previous
Hi 80° RealFeel® 88° Precipitation 5%

Day

N

E

S

W

  • NW 2 mph
  • Gusts: 13 mph

Sunshine

  • 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 52° RealFeel® 53° Precipitation 5%

Night

N

E

S

W

  • WSW 5 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 21

more Historical Weather Data >
  Today Normal Record 5/21/2014
High 80° N/A N/A 79°
Low 52° N/A N/A 56°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:22 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:14 AM with 14:19 of moolight, then sets at 11:33 PM

Tracy Weather Report

San Francisco: Seasonable Temperatures to Continue Through Week

May 4, 2015; 1:42 PM ET

A pattern of seasonable temperatures will continue through the first part of the new week, with low clouds in the morning and sunny conditions through the afternoon. more >