• Early AM

    Aug 31

    Lo 59°

    Clear

    Home Energy Efficiency Weather
    • Avg
      RealFeel
      74°
    • Hi
      RealFeel
      89°
    • Wind
      Speed
      6 mph
    more
  • Today

    Aug 31

    82°Lo 59°

    Partly sunny

    Poor for home energy
    • Avg
      RealFeel
      71°
    • Hi
      RealFeel
      84°
    • Wind
      Speed
      7 mph
  • Mon

    Sep 1

    85°Lo 60°

    Low clouds, then sunshine

    Poor for home energy
    • Avg
      RealFeel
      73°
    • Hi
      RealFeel
      87°
    • Wind
      Speed
      6 mph
    more
  • Tue

    Sep 2

    80°Lo 59°

    Low clouds, then sun

    Poor for home energy
    • Avg
      RealFeel
      70°
    • Hi
      RealFeel
      82°
    • Wind
      Speed
      6 mph
    more
  • Wed

    Sep 3

    78°Lo 58°

    Clouds breaking for sun

    Poor for home energy
    • Avg
      RealFeel
      68°
    • Hi
      RealFeel
      80°
    • Wind
      Speed
      6 mph
    more
Next Previous
Hi 82° RealFeel® 84° Precipitation 1%

Day

N

E

S

W

  • NW 7 mph
  • Gusts: 12 mph

Partly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 2%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 59° RealFeel® 58° Precipitation 1%

Night

N

E

S

W

  • SE 3 mph
  • Gusts: 8 mph

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 - Aug 31

more Historical Weather Data >
  Today Normal Record 8/31/2013
High 82° 82° 95° (2005) 80°
Low 59° 58° 50° (1975) 62°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:37 AM with 13:01 of sunlight, then sets at 7:38 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:21 PM with 10:44 of moolight, then sets at 11:05 PM

Top Story

Campbell Weather Report

San Francisco: Bright, Sunny for First Week of September

August 31, 2014; 3:14 AM ET

San Francisco will see abundant sunshine through at least Thursday. 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