• Today

    Sep 4

    81°Lo 51°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Sat

    Sep 5

    84°Lo 53°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sun

    Sep 6

    91°Lo 50°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Sep 7

    93°Lo 55°

    Sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Sep 8

    95°Lo 55°

    Mostly sunny and very warm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
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3am 4am 5am 6am 7am 8am 9am
  2am 3am 4am 5am 6am 7am 8am 9am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 57° 55° 54° 53° 51° 54° 57° 61°
RealFeel® 55° 53° 53° 53° 50° 53° 56° 63°
Humidity 75% 76% 79% 83% 88% 85% 75% 63%
   
  2am 3am 4am 5am 6am 7am 8am 9am
Rain
 
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Snow
 
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Ice
 
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  2am 3am 4am 5am 6am 7am 8am 9am
Wind (mph) 6 SW 6 WSW 5 WSW 5 WSW 5 W 6 W 6 WNW 7 NW
UV Index 0 0 0 0 0 0 1 2
Cloud Cover 25% 25% 25% 25% 25% 25% 25% 18%
Dew Point 49° 48° 47° 48° 48° 50° 49° 49°
Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 5

more Historical Weather Data >
  Today Normal Record 9/5/2014
High 84° N/A N/A 92°
Low 53° N/A N/A 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 12:50 of sunlight, then sets at 7:30 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:55 PM with 21:22 of moolight, then sets at 2:18 PM

Tracy Weather Report

San Francisco: Pleasant Stretch Continues Through Labor Day

September 4, 2015; 10:12 AM ET

As a ridge moves in from the west over the weekend and early next week, high temperatures will swing back above normal. more >

Sat. Pollen

Sat. Dust & Dander

Sat. Wind Maps