• Tonight

    Jul 27

    Lo 55°

    Clear

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

    Jul 28

    94°Lo 55°

    Mostly sunny and hot

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

    Jul 29

    94°Lo 55°

    Hot with plenty of sunshine

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

    Jul 30

    90°Lo 55°

    Mostly sunny and warm

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

    Jul 31

    86°Lo 54°

    Plenty of sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 90° RealFeel® 94° Precipitation 2%

Day

N

E

S

W

  • SW 8 mph
  • Gusts: 14 mph

Mostly sunny and warm

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 55° RealFeel® 54° Precipitation 2%

Night

N

E

S

W

  • WSW 5 mph
  • Gusts: 12 mph

Partly cloudy

  • Max UV Index: N/A
  • Thunderstorms: 1%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs

Temperature History - Jul 30

more Historical Weather Data >
  Today Normal Record 7/30/2015
High 90° 86° N/A 79°
Low 55° 52° N/A 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:10 AM with 14:10 of sunlight, then sets at 8:20 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 3:08 AM with 14:35 of moolight, then sets at 5:43 PM

Napa Weather Report

Oppressive heat to envelop the western US as weekend highs soar 10 to 15 degrees Fahrenheit above average

July 27, 2016; 7:34 PM ET

Highs will run between 10 and 15 degrees Fahrenheit above average across much of the western United States into the upcoming weekend. more >

Sat. Dust & Dander

Sat. Wind Maps