• Tonight

    Jul 11

    Lo 54°

    Mainly clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      62°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      13 mph
    more
  • Sat

    Jul 12

    80°Lo 54°

    Plenty of sun

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      9 mph
    more
  • Sun

    Jul 13

    84°Lo 57°

    Sunshine and patchy clouds

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      83°
    • Wind
      Speed
      8 mph
  • Mon

    Jul 14

    86°Lo 58°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      90°
    • Wind
      Speed
      7 mph
    more
  • Tue

    Jul 15

    82°Lo 58°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      69°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      8 mph
    more
Next Previous
Hi 84° RealFeel® 83° Precipitation 0%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 14 mph

Sunshine and patchy clouds

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 57° RealFeel® 54° Precipitation 0%

Night

N

E

S

W

  • SW 6 mph
  • Gusts: 11 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 0%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 13

more Historical Weather Data >
  Today Normal Record 7/13/2013
High 84° 83° 104° (1972) 80°
Low 57° 55° 38° (1933) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:56 AM with 14:37 of sunlight, then sets at 8:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 9:28 PM with 11:15 of moolight, then sets at 8:43 AM

Top Story

Napa Weather Report

San Francisco: Partially Sunny Skies, Rise in Temperature Ahead

July 11, 2014; 4:49 AM ET

San Francisco will see a rise in temperatures over the next several days as partially cloudy skies make way for plenty of sunshine. more >

Energy Efficient Lightbulbs and S.A.D

Sep 8, 2012; 5:00 AM ET With shorter days and colder nights in the fall and winter, some people develop seasonal affective disorder. When shopping for lightbulbs to treat the 'winter blues,'consider energy-efficient bulbs.

Sun. Home Energy Efficiency

Sun. Degree Days

Sun. UV Index