• Early AM

    Mar 31

    Lo 48°

    Increasing clouds

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

    Mar 31

    69°Lo 37°

    Partly sunny and breezy

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

    Apr 1

    68°Lo 42°

    Nice with plenty of sunshine

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

    Apr 2

    72°Lo 38°

    Sunny and breezy

    Low ragweed pollen levels
    • Precip
      3%
    • Wind
      Speed
      14 mph
    • Cloud
      Cover
      0%
  • Fri

    Apr 3

    71°Lo 39°

    Sunny and beautiful

    Low ragweed pollen levels
    • Precip
      5%
    • Wind
      Speed
      6 mph
    • Cloud
      Cover
      0%
    more
Next Previous
Hi 72° RealFeel® 71° Precipitation 3%

Day

N

E

S

W

  • NW 14 mph
  • Gusts: 25 mph

Breezy with plenty of sunshine

  • Max UV Index: 6 (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 38° RealFeel® 39° Precipitation 3%

Night

N

E

S

W

  • NNW 5 mph
  • Gusts: 9 mph

Clear and chilly

  • 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

Temperature History - Apr 2

more Historical Weather Data >
  Today Normal Record 4/2/2014
High 72° 69° 87° (2000) 63°
Low 38° 44° 29° (1949) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:53 AM with 12:40 of sunlight, then sets at 7:33 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:12 PM with 12:14 of moolight, then sets at 6:26 AM

Napa Weather Report

San Francisco: Winds to Whip Across Bay Area to End March

March 31, 2015; 3:05 AM ET

A system will bring gusty winds across the Bay area to end March, but still no rain is expected in the area. more >

Thu. Dust & Dander

Thu. Wind Maps