• Tonight

    May 25

    Lo 50°

    Increasing amounts of clouds

    Sinus Headache Weather
    • Hi
      RealFeel
      75°
    • UV
      5 - High
    • Cloud
      Cover
      65%
  • Thu

    May 26

    78°Lo 50°

    Clouds giving way to sun

    Sinus Headache Weather
    • Hi
      RealFeel
      81°
    • UV
      5 - High
    • Cloud
      Cover
      45%
    more
  • Fri

    May 27

    83°Lo 52°

    Partly sunny

    Sinus Headache Weather
    • Hi
      RealFeel
      89°
    • UV
      5 - High
    • Cloud
      Cover
      44%
    more
  • Sat

    May 28

    86°Lo 54°

    Mostly sunny

    Sinus Headache Weather
    • Hi
      RealFeel
      91°
    • UV
      7 - Very High
    • Cloud
      Cover
      18%
    more
  • Sun

    May 29

    86°Lo 54°

    Mostly sunny

    Sinus Headache Weather
    • Hi
      RealFeel
      90°
    • UV
      7 - Very High
    • Cloud
      Cover
      18%
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
8am
9am 10am 11am 12pm 1pm 2pm
  8am 9am 10am 11am 12pm 1pm 2pm
Forecast
Cloudy
Cloudy
Mostly Cloudy
Mostly Cloudy
Partly Cloudy
Partly Cloudy
Partly Cloudy
Temp (°F) 55° 58° 61° 63° 67° 70° 71°
RealFeel® 55° 59° 64° 67° 73° 75° 75°
Humidity 85% 79% 71% 67% 62% 55% 53%
   
  8am 9am 10am 11am 12pm 1pm 2pm
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
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Ice
 
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  8am 9am 10am 11am 12pm 1pm 2pm
Wind (mph) 6 S 6 W 6 NW 7 WNW 7 SW 8 WSW 10 SW
UV Index 1 1 2 3 6 7 6
Cloud Cover 95% 95% 89% 85% 74% 62% 60%
Dew Point 50° 52° 51° 52° 54° 53° 53°
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 Middle Grid line 50 F

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2015
High 71° 81° N/A 64°
Low 50° 49° N/A 50°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:50 AM with 14:33 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:37 PM with 10:30 of moolight, then sets at 10:07 AM

Napa Weather Report

San Francisco: Milder air to build ahead of Memorial Day weekend

May 26, 2016; 12:58 AM ET

Following a stretch of cool days, milder air will begin to build across the Bay area heading into Memorial Day weekend. more >

Wed. Sinus Headache

Wed. UV Index