• Today

    Aug 1

    82°Lo 56°

    Seasonably warm with sunshine

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

    Aug 2

    86°Lo 56°

    Mostly sunny

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

    Aug 3

    83°Lo 60°

    Plenty of sun

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

    Aug 4

    82°Lo 57°

    Mostly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      11%
    more
  • Tue

    Aug 5

    84°Lo 58°

    Mostly sunny

    Ragweed Pollen Weather
    • Precip
      3%
    • Wind
      Speed
      7 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 82° RealFeel® 82° Precipitation 0%

Day

N

E

S

W

  • SSW 8 mph
  • Gusts: 12 mph

Seasonably warm with sunshine

  • 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 56° RealFeel® 53° Precipitation 0%

Night

N

E

S

W

  • SW 5 mph
  • Gusts: 9 mph

Mainly clear

  • Max UV Index: N/A
  • Thunderstorms: 2%
  • 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 1

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Aug 1

more Historical Weather Data >
  Today Normal Record 8/1/2013
High 82° 86° N/A 73°
Low 56° 52° N/A 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:11 AM with 14:08 of sunlight, then sets at 8:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:36 AM with 11:35 of moolight, then sets at 11:11 PM

Top Story

Napa Weather Report

Southwest Storms to Aid Wildfire Efforts

August 1, 2014; 6:01 PM ET

An increase in moisture from the Southwest monsoon will fuel showers and heavy thunderstorms across the interior West through the weekend. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps