• Today

    Sep 18

    71°Lo 61°

    Variably cloudy with a shower

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      71°
    • Wind
      Speed
      8 mph
    more
  • Fri

    Sep 19

    72°Lo 60°

    Low clouds, then sunshine

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      7 mph
  • Sat

    Sep 20

    71°Lo 61°

    Plenty of sunshine

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      73°
    • Wind
      Speed
      7 mph
    more
  • Sun

    Sep 21

    72°Lo 60°

    Areas of low clouds, then sun

    Poor for home energy
    • Avg
      RealFeel
      66°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      8 mph
    more
  • Mon

    Sep 22

    73°Lo 59°

    Mostly sunny

    Poor for home energy
    • Avg
      RealFeel
      65°
    • Hi
      RealFeel
      74°
    • Wind
      Speed
      9 mph
    more
Next Previous
Hi 72° RealFeel® 73° Precipitation 3%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 14 mph

Low clouds followed by sunshine

  • Max UV Index: 6 (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 60° RealFeel® 58° Precipitation 0%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 10 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 - Sep 19

more Historical Weather Data >
  Today Normal Record 9/19/2013
High 72° 70° 93° (1919) 75°
Low 60° 55° 49° (1960) 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:55 AM with 12:17 of sunlight, then sets at 7:12 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:49 AM with 13:51 of moolight, then sets at 4:40 PM

Top Story

San Francisco Weather Report

San Francisco: Sunshine, Seasonable Temperatures to Continue

September 18, 2014; 6:37 AM ET

The Bay Area will continue to feature sunshine and seasonable temperatures as the summer season comes to a close. 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.

Fri. Home Energy Efficiency

Fri. Degree Days

Fri. UV Index