• Early AM

    Sep 4

    Lo 51°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      N/A
    more
  • Today

    Sep 4

    81°Lo 51°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      N/A
  • Sat

    Sep 5

    84°Lo 54°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      N/A
    more
  • Sun

    Sep 6

    90°Lo 50°

    Plenty of sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      N/A
    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
      N/A
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Fri
1am
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Partly Sunny
Temp (°F) 59° 57° 55° 54° 54° 51° 54° 58°
RealFeel® 57° 56° 54° 53° 52° 50° 54° 59°
Humidity 73% 77% 80% 84% 89% 94% 89% 79%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
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Snow
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 6 W 6 WNW 6 WNW 6 WNW 6 W 5 W 5 WSW 5 SW
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 85% 85% 45% 25% 25% 25% 25% 41%
Dew Point 50° 50° 49° 50° 50° 50° 51° 51°
Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - Sep 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 81° N/A N/A 89°
Low 51° N/A N/A 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:39 AM with 12:52 of sunlight, then sets at 7:31 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:55 PM with 14:23 of moolight, then sets at 2:18 PM

Tracy Weather Report

San Francisco: Pleasant Stretch Continues Through Labor Day

September 4, 2015; 5:12 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 >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps