• Tonight

    May 2

    Lo 50°

    Increasing cloudiness

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

    May 3

    74°Lo 52°

    Clouds giving way to some sun

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

    May 4

    70°Lo 51°

    Mostly cloudy

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

    May 5

    66°Lo 50°

    Variable clouds, a t-storm

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

    May 6

    68°Lo 49°

    Clouds and sun with a t-storm

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
A shower possible 52° Lo 51° RealFeel® 51° / 49°

N

E

S

W

  • Precipitation: 40%
  • Rain: 0.01 in
  • Snow: 0 in
  • Humidity: 93%
  • Cloud Cover: 83%
  • Dew Point: 50° F
  • Visibility: 10 mi
5 mph

Temperature History - May 4

more Historical Weather Data >
  Today Normal Record 5/4/2015
High 70° 74° 92° (1990) 65°
Low 51° 48° 34° (1975) 48°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:08 AM with 13:56 of sunlight, then sets at 8:04 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:55 AM with 12:54 of moolight, then sets at 5:49 PM

Napa Weather Report

San Francisco: Showery weather to arrive by late week

May 2, 2016; 12:34 PM ET

Clouds and showers will move into the Bay Area following a dry start to May. more >

Wed. Dust & Dander

Wed. Wind Maps