• Today

    Apr 28

    73°Lo 44°

    Not as warm with sunshine

    Advisory for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Wed

    Apr 29

    75°Lo 44°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      14 mph
    • Precip
      10%
    • Hours of Precip
      0
  • Thu

    Apr 30

    86°Lo 54°

    Sunny, pleasant and warmer

    Unlikely for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Fri

    May 1

    83°Lo 49°

    Sunny and pleasant

    Unlikely for hair frizz
    • Wind
      Gust
      15 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Sat

    May 2

    74°Lo 46°

    Not as warm but pleasant

    Watch for hair frizz
    • Wind
      Gust
      18 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
< Previous 8 hours Next 8 hours >
  Wed
12am
1am 2am 3am 4am 5am 6am 7am
  12am 1am 2am 3am 4am 5am 6am 7am
Forecast
Mostly Clear
Mostly Clear
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Mostly Cloudy
Temp (°F) 52° 51° 50° 48° 47° 47° 46° 44°
RealFeel® 48° 48° 46° 45° 45° 46° 46° 44°
Humidity 84% 87% 90% 90% 91% 92% 92% 100%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Rain
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  12am 1am 2am 3am 4am 5am 6am 7am
Wind (mph) 8 WSW 8 WSW 7 WSW 6 WSW 6 WSW 5 WSW 5 WSW 5 WSW
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 25% 25% 76% 76% 76% 76% 76% 76%
Dew Point 47° 48° 47° 45° 45° 45° 44° 44°
Middle Grid line 55 F Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

Temperature History - Apr 29

more Historical Weather Data >
  Today Normal Record 4/29/2014
High 75° 74° 95° (1981) 84°
Low 44° 47° 32° (1949) 41°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:15 AM with 13:44 of sunlight, then sets at 7:59 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:05 PM with 12:23 of moolight, then sets at 4:28 AM

Napa Weather Report

San Francisco: Dry, Tranquil Weather to Hold for Rest of the Week

April 28, 2015; 7:52 AM ET

Following a warmer start to the week, an onshore flow will bring noticeable cooler conditions and patchy areas of low clouds through midweek. more >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index