• Early AM

    May 25

    Lo 53°

    Cloudy

    Ragweed Pollen Weather
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Today

    May 25

    64°Lo 54°

    Warmer

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
  • Tue

    May 26

    66°Lo 52°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      50 - Moderate
    more
  • Wed

    May 27

    65°Lo 54°

    Areas of low clouds, then sun

    Low ragweed pollen levels
    • Precip
      0%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      55%
    more
  • Thu

    May 28

    66°Lo 54°

    Mostly sunny and cool

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      21%
    more
Next Previous
Hi 64° RealFeel® 66° Precipitation 2%

Day

N

E

S

W

  • W 13 mph
  • Gusts: 20 mph

Warmer with low clouds giving way to sunshine

  • 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 54° RealFeel® 50° Precipitation 4%

Night

N

E

S

W

  • WSW 9 mph
  • Gusts: 17 mph

Mainly clear early, then areas of low clouds forming

  • 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

San Francisco Pollen Levels - May 25

  • Extreme
  • Very High
  • High
  • Moderate
  • Low
  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Moderate

  • Mold

    Pollen

    Low

Temperature History - May 25

more Historical Weather Data >
  Today Normal Record 5/25/2014
High 64° 65° 87° (1951) 70°
Low 54° 52° 47° (1953) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:53 AM with 14:28 of sunlight, then sets at 8:21 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:02 PM with 12:58 of moolight, then sets at 2:00 AM

San Francisco Weather Report

San Francisco: Cool, Cloudy Weather to Linger for Holiday Weekend

May 25, 2015; 5:57 AM ET

More clouds and cooler weather can be expected across the Bay Area through the holiday weekend and into the new week. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps