• Today

    Mar 4

    68°Lo 39°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    Mar 5

    71°Lo 40°

    Fog in the a.m.; mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Fri

    Mar 6

    73°Lo 43°

    Fog in the a.m.; mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Sat

    Mar 7

    75°Lo 47°

    Mostly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      4 mph
    • Cloud
      Cover
      23%
    more
  • Sun

    Mar 8

    75°Lo 47°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      45%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
11am
12pm 1pm 2pm 3pm 4pm 5pm 6pm
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Forecast
Sunny
Sunny
Sunny
Sunny
Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 60° 62° 65° 66° 68° 67° 64° 61°
RealFeel® 70° 72° 74° 71° 70° 67° 64° 61°
Humidity 55% 48% 42% 39% 37% 38% 43% 49%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
0%
 
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0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Wind (mph) 4 SE 4 SE 4 ESE 5 E 5 NE 6 NNE 6 N 5 N
UV Index 4 5 4 3 2 1 0 0
Cloud Cover 7% 7% 8% 8% 9% 10% 11% 11%
Dew Point 43° 42° 41° 40° 41° 41° 41° 42°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 68° N/A N/A 62°
Low 39° N/A N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:34 AM with 11:29 of sunlight, then sets at 6:03 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:27 PM with 12:54 of moolight, then sets at 6:21 AM

Tracy Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps