• Early AM

    May 27

    Lo 52°

    Partly cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      3 - Moderate
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
  • Today

    May 27

    72°Lo 52°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
  • Sat

    May 28

    74°Lo 53°

    Mostly sunny

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

    May 29

    72°Lo 53°

    Mostly sunny

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

    May 30

    75°Lo 53°

    Sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Mostly sunny 72° Lo 64° RealFeel® 76° / 62°

N

E

S

W

  • Precipitation: 0%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 51%
  • Cloud Cover: 19%
  • Dew Point: 50° F
  • Visibility: 10 mi
9 mph

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 72° 69° 97° (1984) 64°
Low 52° 52° 42° (1954) 53°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:52 AM with 14:30 of sunlight, then sets at 8:22 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:22 AM with -21:-13 of moolight, then sets at 10:09 AM

San Bruno Weather Report

San Francisco: Milder air to build ahead of Memorial Day weekend

May 27, 2016; 1:58 AM ET

Following a stretch of cool days, milder air will begin to build across the Bay area heading into Memorial Day weekend. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps