• Tonight

    Jul 25

    Lo 53°

    Increasing cloudiness

    Ragweed Pollen Weather
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Tue

    Jul 26

    77°Lo 53°

    Patchy fog, then sun

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

    Jul 27

    76°Lo 55°

    Patchy fog, then sun

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

    Jul 28

    76°Lo 55°

    Low clouds, then sun

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

    Jul 29

    75°Lo 56°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 71° RealFeel® 74° Precipitation 2%

Day

N

E

S

W

  • WSW 10 mph
  • Gusts: 21 mph

Partly 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 53° RealFeel® 52° Precipitation 4%

Night

N

E

S

W

  • WSW 7 mph
  • Gusts: 21 mph

Clear to partly cloudy this evening followed by low clouds late

  • Max UV Index: N/A
  • Thunderstorms: 6%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

San Bruno Pollen Levels - July 25

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Tree Pollen

    Low

  • Ragweed Pollen

    Low

  • Mold

    Low

  • Grass Pollen

    Low

Temperature History - Jul 25

more Historical Weather Data >
  Today Normal Record 7/25/2015
High 71° 72° 91° (1973) 69°
Low 53° 56° 49° (1953) 59°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 14:15 of sunlight, then sets at 8:23 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:33 AM with -18:-16 of moolight, then sets at 12:17 PM

San Bruno Weather Report

90-degree heat to build across northwestern US this week

July 25, 2016; 11:05 PM ET

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

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps