• Today

    May 28

    86°Lo 53°

    Sunshine

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Air Qual.
      Moderate
    more
  • Sun

    May 29

    83°Lo 52°

    Areas of low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      87°
    • UV
      7 - Very High
    • Air Qual.
      Good
  • Mon

    May 30

    87°Lo 52°

    Sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Tue

    May 31

    88°Lo 51°

    Sunny and very warm

    Beneficial weather for asthma
    • Hi
      RealFeel
      92°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
  • Wed

    Jun 1

    85°Lo 53°

    Areas of low clouds, then sun

    Beneficial weather for asthma
    • Hi
      RealFeel
      89°
    • UV
      7 - Very High
    • Air Qual.
      Good
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Sun
3am
4am 5am 6am 7am 8am 9am 10am
  3am 4am 5am 6am 7am 8am 9am 10am
Forecast
Mostly Clear
Mostly Clear
Mostly Clear
Mostly Sunny
Mostly Sunny
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 54° 53° 54° 54° 55° 59° 65° 69°
RealFeel® 55° 54° 55° 55° 57° 63° 70° 75°
Humidity 75% 77% 78% 76% 74% 72% 65% 56%
   
  3am 4am 5am 6am 7am 8am 9am 10am
Rain
 
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Snow
 
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Ice
 
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  3am 4am 5am 6am 7am 8am 9am 10am
Wind (mph) 4 W 2 W 2 W 2 W 2 WSW 2 SW 4 SW 4 SSW
UV Index 0 0 0 0 0 1 2 4
Cloud Cover 10% 10% 10% 10% 10% 76% 76% 76%
Dew Point 47° 46° 47° 47° 47° 50° 53° 53°
Middle Grid line 70 F Middle Grid line 65 F Middle Grid line 60 F Middle Grid line 55 F Middle Grid line 50 F

Temperature History - May 29

more Historical Weather Data >
  Today Normal Record 5/29/2015
High 83° 82° N/A 70°
Low 52° 49° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:48 AM with 14:38 of sunlight, then sets at 8:26 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:38 AM with 11:36 of moolight, then sets at 1:14 PM

Napa Weather Report

San Francisco: Dry, warm conditions to persist through early next week

May 28, 2016; 5:47 PM ET

Dry and warm conditions will span into early next week across the San Francisco area. more >

Sun. Air Quality

Sun. Asthma Risk

Sun. UV Index