• Early AM

    Jul 10

    Lo 56°

    Mainly clear

    Ragweed Pollen Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      5 - Low
    • Tree
      Pollen
      7 - Low
    more
  • Today

    Jul 10

    74°Lo 56°

    Plenty of sunshine

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

    Jul 11

    75°Lo 53°

    Mostly sunny

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

    Jul 12

    78°Lo 54°

    Plenty of sun

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      7%
    more
  • Sun

    Jul 13

    82°Lo 56°

    Partly sunny

    Low ragweed pollen levels
    • Precip
      1%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      26%
    more
Next Previous
Hi 74° RealFeel® 75° Precipitation 3%

Day

N

E

S

W

  • SSW 9 mph
  • Gusts: 15 mph

Plenty of sunshine

  • Max UV Index: 8 (Very High)
  • Thunderstorms: 6%
  • 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® 52° Precipitation 7%

Night

N

E

S

W

  • WSW 8 mph
  • Gusts: 14 mph

Mainly clear

  • 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 - July 10

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 10

more Historical Weather Data >
  Today Normal Record 7/10/2013
High 74° 86° N/A 76°
Low 56° 53° N/A 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:54 AM with 14:41 of sunlight, then sets at 8:35 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 5:52 PM with 10:18 of moolight, then sets at 4:10 AM

Top Story

Napa Weather Report

San Francisco: Dry, Sunny Conditions Ahead

July 10, 2014; 3:01 AM ET

With no rain to provide drought relief, San Francisco will see an extended stretch of sunshine and seasonable temperatures ahead. more >

Battling the Common Cold

Jun 23, 2014; 5:00 AM ET Marja Martinez talks about identifying and fighting the common cold.

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps