• Tue

    May 12

    74°Lo 53°

    Mostly cloudy

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      5%
    • Hours of Precip
      0
  • Wed

    May 13

    70°Lo 56°

    Considerable clouds

    Hair Frizz Weather
    • Wind
      Gust
      12 mph
    • Precip
      13%
    • Hours of Precip
      0
    more
  • Thu

    May 14

    72°Lo 56°

    Mainly cloudy

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

    May 15

    72°Lo 56°

    Sunshine and some clouds

    Hair Frizz Weather
    • Wind
      Gust
      15 mph
    • Precip
      11%
    • Hours of Precip
      0
    more
  • Sat

    May 16

    63°Lo 55°

    Cloudy and colder

    Hair Frizz Weather
    • Wind
      Gust
      17 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
Next Previous
Hi 74° RealFeel® 76° Precipitation 5%

Day

N

E

S

W

  • WNW 7 mph
  • Gusts: 17 mph

Mostly cloudy

  • Max UV Index: 7 (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 53° RealFeel® 55° Precipitation 9%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 15 mph

Mostly 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 - May 12

more Historical Weather Data >
  Today Normal Record 5/12/2014
High 74° 67° 96° (1976) 84°
Low 53° 51° 42° (1953) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:03 AM with 14:07 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 2:32 AM with 11:45 of moolight, then sets at 2:17 PM

San Bruno Weather Report

San Francisco: Dry Pattern to Continue After Weekend Showers

April 27, 2015; 4:27 AM ET

Warm and dry conditions will begin the new week in San Francisco. 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.