• Tonight

    Aug 31

    Lo 57°

    Clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Sep 1

    89°Lo 57°

    Mostly sunny

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

    Sep 2

    84°Lo 57°

    Plenty of sunshine

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

    Sep 3

    82°Lo 53°

    Plenty of sunshine

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

    Sep 4

    86°Lo 53°

    Plenty of sun

    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 >
  Mon
10am
11am 12pm 1pm 2pm 3pm 4pm 5pm
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Forecast
Mostly Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Sunny
Temp (°F) 72° 78° 83° 86° 89° 89° 89° 89°
RealFeel® 78° 86° 90° 92° 93° 92° 90° 88°
Humidity 50% 42% 37% 31% 26% 24% 24% 25%
   
  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Rain
 
0%
 
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0%
 
0%
 
0%
Snow
 
0%
 
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0%
 
0%
 
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Ice
 
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  10am 11am 12pm 1pm 2pm 3pm 4pm 5pm
Wind (mph) 4 WNW 5 NNW 5 NNW 6 NW 8 WNW 9 WNW 10 WNW 12 WNW
UV Index 4 5 7 7 7 6 4 2
Cloud Cover 17% 6% 2% 6% 4% 4% 7% 2%
Dew Point 53° 53° 54° 52° 50° 48° 48° 49°
Middle Grid line 90 F Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F

Temperature History - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2014
High 89° N/A N/A 93°
Low 57° N/A N/A 64°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:02 of sunlight, then sets at 7:37 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:01 PM with 12:59 of moolight, then sets at 10:00 AM

Tracy Weather Report

San Francisco: Dry, Pleasant Conditions to Span Week

August 31, 2015; 3:48 PM ET

The San Francisco area will have dry and seasonable conditions throughout the week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps