• Sat

    Sep 19

    73°Lo 61°

    Partly sunny

    Hair Frizz Weather
    • Wind
      Gust
      13 mph
    • Precip
      3%
    • Hours of Precip
      0
    more
  • Sun

    Sep 20

    74°Lo 61°

    Clouds and sunshine

    Hair Frizz Weather
    • Wind
      Gust
      14 mph
    • Precip
      25%
    • Hours of Precip
      0
  • Mon

    Sep 21

    74°Lo 60°

    Partly sunny

    Hair Frizz Weather
    • Wind
      Gust
      14 mph
    • Precip
      20%
    • Hours of Precip
      0
    more
  • Tue

    Sep 22

    69°Lo 60°

    Partial sunshine

    Hair Frizz Weather
    • Wind
      Gust
      13 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Wed

    Sep 23

    70°Lo 59°

    Partial sunshine

    Hair Frizz Weather
    • Wind
      Gust
      14 mph
    • Precip
      20%
    • Hours of Precip
      0
    more
Next Previous
Hi 74° RealFeel® 77° Precipitation 25%

Day

N

E

S

W

  • SW 6 mph
  • Gusts: 14 mph

Clouds and sunshine

  • Max UV Index: 5 (Moderate)
  • 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 61° RealFeel® 61° Precipitation 20%

Night

N

E

S

W

  • SSW 5 mph
  • Gusts: 14 mph

Partly cloudy

  • 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 20

more Historical Weather Data >
  Today Normal Record 9/20/2014
High 74° 74° 93° (1990) 77°
Low 61° 56° 48° (1965) 64°

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 1:35 PM with 10:23 of moolight, then sets at 11:58 PM

San Bruno Weather Report

San Francisco: Sunshine, Dry Conditions to Span the Weekend

August 30, 2015; 5:29 AM ET

Dry conditions are expected to continue across the area for the foreseeable future. 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.