• Today

    Mar 4

    67°Lo 35°

    Plenty of sunshine

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

    Mar 5

    70°Lo 36°

    Plenty of sunshine

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

    Mar 6

    73°Lo 38°

    Mostly sunny

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

    Mar 7

    76°Lo 42°

    Sunshine and patchy clouds

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      25%
    more
  • Sun

    Mar 8

    75°Lo 42°

    Sun and some clouds

    Ragweed Pollen Weather
    • Precip
      4%
    • Wind
      Speed
      2 mph
    • Cloud
      Cover
      44%
    more
Next Previous
Clear 55° Lo 44° RealFeel® 56° / 47°

N

E

S

W

  • Precipitation: 1%
  • Rain: 0 in
  • Snow: 0 in
  • Humidity: 65%
  • Cloud Cover: 0%
  • Dew Point: 37° F
  • Visibility: 10 mi
1 mph

Temperature History - Mar 4

more Historical Weather Data >
  Today Normal Record 3/4/2014
High 67° 60° N/A 60°
Low 35° 37° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:40 AM with 11:27 of sunlight, then sets at 6:07 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:31 PM with 12:56 of moolight, then sets at 6:27 AM

Lucerne Weather Report

San Francisco: Dry Pattern, Warmth to Continue Through Weekend

March 4, 2015; 11:35 AM ET

Above-average temperatures and clear, sunny skies will sweep across San Francisco through out the rest of the week and into early next week. more >

Making a Forecast: The Sixth Sense

Feb 16, 2015; 5:00 AM ET What steps go into making a forecast?

Wed. Pollen

Wed. Dust & Dander

Wed. Wind Maps