• Tonight

    May 27

    Lo 53°

    Clear to partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Thu

    May 28

    84°Lo 55°

    Mostly sunny

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

    May 29

    88°Lo 57°

    Mostly sunny and warm

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

    May 30

    90°Lo 56°

    Partly sunny and warm

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      39%
    more
  • Sun

    May 31

    83°Lo 57°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      12 mph
    • Cloud
      Cover
      26%
    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
Partly Cloudy
Partly Cloudy
Mostly Sunny
Partly Sunny
Partly Sunny
Partly Sunny
Mostly Sunny
Mostly Sunny
Temp (°F) 66° 71° 75° 75° 78° 78° 80° 80°
RealFeel® 72° 78° 81° 81° 81° 80° 80° 78°
Humidity 58% 51% 42% 41% 36% 39% 35% 36%
   
  11am 12pm 1pm 2pm 3pm 4pm 5pm 6pm
Rain
 
0%
 
0%
 
0%
 
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) 8 WNW 8 NW 9 NW 9 NW 12 NW 12 NW 14 NW 13 NW
UV Index 6 7 8 8 7 5 3 2
Cloud Cover 54% 53% 29% 30% 32% 30% 23% 18%
Dew Point 51° 52° 51° 51° 49° 51° 50° 51°
Middle Grid line 85 F Middle Grid line 80 F Middle Grid line 75 F Middle Grid line 70 F Middle Grid line 65 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 80° N/A N/A 86°
Low 53° N/A N/A 63°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:31 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:47 PM with 12:10 of moolight, then sets at 2:57 AM

Tracy Weather Report

San Francisco: Dry, Pleasant Weather to Hold Through Weekend

May 28, 2015; 12:32 AM ET

A dry and quiet pattern will be in place across the Bay area over the next several days before rain returns early in the new week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps