• Today

    Sep 20

    69°Lo 60°

    Areas of low clouds, then sun

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Sun

    Sep 21

    70°Lo 60°

    Areas of low clouds, then sun

    Advisory for hair frizz
    • Wind
      Gust
      12 mph
    • Precip
      0%
    • Hours of Precip
      0
    more
  • Mon

    Sep 22

    71°Lo 60°

    Areas of low clouds, then sun

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Tue

    Sep 23

    72°Lo 61°

    Areas of low clouds, then sun

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Wed

    Sep 24

    72°Lo 61°

    Chance of a little p.m. rain

    Advisory for hair frizz
    • Wind
      Gust
      13 mph
    • Precip
      30%
    • Hours of Precip
      4
    more
Next Previous
Hi 69° RealFeel® 72° Precipitation 3%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 12 mph

Areas of low clouds early; otherwise, mostly sunny

  • Max UV Index: 6 (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 60° RealFeel® 58° Precipitation 4%

Night

N

E

S

W

  • W 5 mph
  • Gusts: 8 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 3%
  • 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 20

more Historical Weather Data >
  Today Normal Record 9/20/2013
High 69° 70° 97° (1939) 70°
Low 60° 55° 49° (1917) 55°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:56 AM with 12:14 of sunlight, then sets at 7:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:43 AM with 13:31 of moolight, then sets at 5:14 PM

Top Story

San Francisco Weather Report

Dry, Sunny Weather Continues for San Francisco

September 20, 2014; 3:27 PM ET

Sunny skies will bathe the Bay Area for the new week. 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.

Sat. Hair Frizz

Sat. Wind Maps

Sat. UV Index