• Early AM

    Sep 4

    Lo 58°

    Cloudy

    Lawn Mowing Weather
    • Hours of Precip
      0
    • Precip
      2%
    • Hi
      RealFeel
      72°
    more
  • Today

    Sep 4

    71°Lo 55°

    Increasingly windy

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      70°
  • Sat

    Sep 5

    75°Lo 54°

    Mostly sunny

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      3%
    • Hi
      RealFeel
      78°
    more
  • Sun

    Sep 6

    79°Lo 54°

    Sunshine and pleasant

    Excellent for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      80°
    more
  • Mon

    Sep 7

    81°Lo 56°

    Clear

    Very Good for lawn mowing
    • Hours of Precip
      0
    • Precip
      1%
    • Hi
      RealFeel
      84°
    more
Next Previous
Hi 71° RealFeel® 70° Precipitation 7%

Day

N

E

S

W

  • WNW 21 mph
  • Gusts: 31 mph

Increasingly windy 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 55° RealFeel® 51° 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 55° 56° 50° (1989) 60°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:42 AM with 12:52 of sunlight, then sets at 7:34 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:59 PM with 14:22 of moolight, then sets at 2:21 PM

San Bruno Weather Report

San Francisco: Pleasant Stretch Continues Through Labor Day

September 4, 2015; 5:12 AM ET

As a ridge moves in from the west over the weekend and early next week, high temperatures will swing back above normal. more >

Why Do Leaves Change Color?

Sep 20, 2011; 5:00 AM ET Why do leaves change from green to beautiful shades of red, orange and yellow in the fall?

Current Drought Status

Current Soil Conditions

Fri. Overnight Freeze

Fri. Degree Days

Fri. Evapotranspiration