• Early AM

    May 27

    Lo 50°

    Cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    May 27

    70°Lo 50°

    Low clouds, then some sun

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

    May 28

    72°Lo 50°

    Low clouds, then some sun

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

    May 29

    75°Lo 52°

    Turning sunny; pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      50%
    more
  • Sat

    May 30

    75°Lo 52°

    Partly sunny and nice

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      10 mph
    • Cloud
      Cover
      42%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
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  1am 2am 3am 4am 5am 6am 7am 8am
Forecast
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Cloudy
Temp (°F) 52° 52° 51° 51° 50° 50° 51° 53°
RealFeel® 46° 47° 47° 47° 46° 47° 48° 51°
Humidity 90% 92% 92% 93% 93% 96% 93% 88%
   
  1am 2am 3am 4am 5am 6am 7am 8am
Rain
 
0%
 
0%
 
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0%
 
0%
 
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0%
Snow
 
0%
 
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0%
 
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Ice
 
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  1am 2am 3am 4am 5am 6am 7am 8am
Wind (mph) 12 W 9 W 9 W 8 W 8 W 7 W 7 W 7 W
UV Index 0 0 0 0 0 0 0 1
Cloud Cover 91% 100% 100% 100% 98% 96% 95% 95%
Dew Point 49° 49° 49° 49° 48° 49° 49° 49°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2014
High 70° 78° 102° (1984) 80°
Low 50° 51° 37° (1918) 47°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:35 of sunlight, then sets at 8:24 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:50 PM with 12:09 of moolight, then sets at 2:59 AM

Napa Weather Report

San Francisco: Seasonable, Dry Weather to Remain Through Late Week

May 26, 2015; 7:45 PM ET

Dry and seasonable weather is forecast for San Francisco this week. more >

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps