• Early AM

    Sep 4

    Lo 58°

    Cloudy

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Today

    Sep 4

    71°Lo 57°

    Partly sunny

    Watch for hair frizz
    • Wind
      Gust
      28 mph
    • Precip
      3%
    • Hours of Precip
      0
  • Sat

    Sep 5

    75°Lo 55°

    Mostly sunny

    Watch for hair frizz
    • Wind
      Gust
      17 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sun

    Sep 6

    80°Lo 55°

    Sunshine and pleasant

    Watch for hair frizz
    • Wind
      Gust
      8 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
  • Mon

    Sep 7

    79°Lo 56°

    Clear

    Watch for hair frizz
    • Wind
      Gust
      7 mph
    • Precip
      1%
    • Hours of Precip
      0
    more
Next Previous
Hi 71° RealFeel® 70° Precipitation 7%

Day

N

E

S

W

  • WNW 21 mph
  • Gusts: 31 mph

Breezy and pleasant with areas of low clouds, then sun

  • Max UV Index: 6 (High)
  • Thunderstorms: 9%
  • 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 3%

Night

N

E

S

W

  • NW 12 mph
  • Gusts: 28 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 4

more Historical Weather Data >
  Today Normal Record 9/4/2014
High 71° 74° 92° (2008) 76°
Low 57° 56° 50° (1989) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:41 AM with 12:55 of sunlight, then sets at 7:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:12 PM with 14:11 of moolight, then sets at 1:23 PM

San Bruno Weather Report

San Francisco: Sunny Skies, Pleasant Conditions to Last Into Labor Day Weekend

September 3, 2015; 3:06 PM ET

Sunny skies and seasonable conditions will follow low clouds each day through Saturday in the Bay Area. 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.

Fri. Hair Frizz

Fri. Wind Maps

Fri. UV Index