• Today

    Apr 27

    86°Lo 52°

    Warmer with abundant sunshine

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

    Apr 28

    83°Lo 50°

    Mostly sunny

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

    Apr 29

    81°Lo 53°

    Partly sunny

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

    Apr 30

    89°Lo 55°

    Plenty of sunshine

    Low ragweed pollen levels
    • Precip
      4%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      0%
    more
  • Fri

    May 1

    89°Lo 53°

    Sunny and very warm

    Ragweed Pollen Weather
    • Precip
      2%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      0%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Mon
5am
6am 7am 8am 9am 10am 11am 12pm
  5am 6am 7am 8am 9am 10am 11am 12pm
Forecast
Partly Cloudy
Partly Cloudy
Partly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 62° 66° 71° 60° 65° 69° 74° 79°
RealFeel® 62° 64° 69° 63° 71° 76° 82° 87°
Humidity 57% 48% 46% 63% 52% 43% 35% 30%
   
  5am 6am 7am 8am 9am 10am 11am 12pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
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  5am 6am 7am 8am 9am 10am 11am 12pm
Wind (mph) 4 NW 4 NW 2 NW 4 SE 4 SSW 4 N 5 NNW 6 NNW
UV Index 0 0 0 1 3 4 6 8
Cloud Cover 41% 41% 40% 16% 21% 18% 15% 12%
Dew Point 47° 46° 49° 47° 47° 46° 45° 45°
Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F

Temperature History - Apr 27

more Historical Weather Data >
  Today Normal Record 4/27/2014
High 86° N/A N/A 70°
Low 52° N/A N/A 49°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:38 of sunlight, then sets at 7:53 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:13 PM with 13:12 of moolight, then sets at 3:25 AM

Tracy Weather Report

San Francisco: Dry Pattern to Continue After Weekend Showers

April 27, 2015; 10:27 AM ET

Warm and dry conditions will begin the new week in San Francisco. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps