• Sun

    Jul 31

    72°Lo 54°

    Areas of fog, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Mon

    Aug 1

    73°Lo 53°

    Clearing

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Tue

    Aug 2

    72°Lo 58°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Wed

    Aug 3

    74°Lo 56°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Thu

    Aug 4

    75°Lo 62°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
Next Previous
Hi 75° RealFeel® 78° Precipitation 0%

Day

N

E

S

W

  • SW 7 mph
  • Gusts: 24 mph

Mostly sunny

  • Max UV Index: 8 (Very 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 62° RealFeel® 59° Precipitation 0%

Night

N

E

S

W

  • SW 7 mph
  • Gusts: 22 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 - Aug 4

more Historical Weather Data >
  Today Normal Record 8/4/2015
High 75° 72° 87° (1998) 73°
Low 62° 56° 50° (1966) 61°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:17 AM with 13:57 of sunlight, then sets at 8:14 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:09 AM with 13:16 of moolight, then sets at 9:25 PM

San Bruno Weather Report

90-degree heat to build across northwestern US this week

July 26, 2016; 10:48 AM ET

Dangerous heat will surge northward and send temperatures rising across the northwestern United States this week. more >