• Today

    Aug 21

    76°Lo 54°

    Clouds giving way to some sun

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Fri

    Aug 22

    76°Lo 53°

    Mostly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
  • Sat

    Aug 23

    76°Lo 55°

    Partly sunny

    Low ragweed pollen levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Sun

    Aug 24

    77°Lo 54°

    A full day of sunshine

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      0%
    more
  • Mon

    Aug 25

    75°Lo 54°

    Partly sunny

    Ragweed Pollen Weather
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 76° RealFeel® 76° Precipitation 5%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 15 mph

Mostly sunny

  • Max UV Index: 7 (High)
  • Thunderstorms: 4%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 53° RealFeel® 52° Precipitation 1%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 11 mph

Mainly clear in the evening; low clouds late

  • 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

Napa Pollen Levels - August 22

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 22

more Historical Weather Data >
  Today Normal Record 8/22/2013
High 76° 87° N/A 75°
Low 53° 52° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:29 AM with 13:25 of sunlight, then sets at 7:54 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:58 AM with 14:07 of moolight, then sets at 6:05 PM

Top Story

Napa Weather Report

Firefighters Race to Contain Blaze Near Yosemite

August 21, 2014; 8:30 AM ET

All evacuation orders were lifted as containment increased early Wednesday. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps