• Tonight

    May 24

    Lo 48°

    Partly cloudy

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

    May 25

    71°Lo 49°

    Clouds breaking and cool

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

    May 26

    77°Lo 50°

    Turning sunny; cool

    Moderate ragweed pollen levels
    • Grass
      Pollen
      5 - High
    • Ragweed
      Pollen
      3 - Moderate
    • Tree
      Pollen
      3 - Moderate
    more
  • Fri

    May 27

    78°Lo 47°

    Mostly sunny and nice

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

    May 28

    78°Lo 49°

    Sunny and pleasant

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 78° RealFeel® 86° Precipitation 3%

Day

N

E

S

W

  • W 6 mph
  • Gusts: 12 mph

Mostly sunny and nice

  • 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 47° RealFeel® 48° Precipitation 2%

Night

N

E

S

W

  • WNW 5 mph
  • Gusts: 10 mph

Clear

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - May 27

more Historical Weather Data >
  Today Normal Record 5/27/2015
High 78° 80° N/A 88°
Low 47° 46° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:49 AM with 14:39 of sunlight, then sets at 8:28 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:23 AM with 10:45 of moolight, then sets at 11:08 AM

Lucerne Weather Report

San Francisco: Cool, cloudy weather to last though midweek

May 24, 2016; 10:34 PM ET

The last full week of May will kick off with cloudy and cool conditions in the Bay Area with rain remaining absent from the forecast. more >

Fri. Dust & Dander

Fri. Wind Maps