• Today

    Jul 6

    74°Lo 55°

    Low clouds, then sunshine

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
  • Tue

    Jul 7

    73°Lo 55°

    Low clouds, then sunshine

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

    Jul 8

    71°Lo 54°

    A thunderstorm in spots

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

    Jul 9

    65°Lo 54°

    Some sun

    Low ragweed pollen levels
    • Precip
      6%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      45%
    more
  • Fri

    Jul 10

    69°Lo 52°

    Cool with clouds and sunshine

    Ragweed Pollen Weather
    • Precip
      6%
    • Wind
      Speed
      13 mph
    • Cloud
      Cover
      62%
    more
Next Previous
Hi 74° RealFeel® 76° Precipitation 2%

Day

N

E

S

W

  • SW 16 mph
  • Gusts: 24 mph

Cool with low clouds followed by sunshine; a refreshing afternoon breeze

  • 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 55° RealFeel® 52° Precipitation 6%

Night

N

E

S

W

  • WSW 10 mph
  • Gusts: 17 mph

Mainly clear this evening followed by 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 - July 6

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Jul 6

more Historical Weather Data >
  Today Normal Record 7/6/2014
High 74° 83° 106° (1921) 85°
Low 55° 55° 44° (1955) 52°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:51 AM with 14:45 of sunlight, then sets at 8:36 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 11:52 PM with 12:22 of moolight, then sets at 12:14 PM

Napa Weather Report

San Francisco: Cooler, Comfortable Conditions to Start Week

July 6, 2015; 3:57 AM ET

The San Francisco area will remain cool and comfortable into the early part of the upcoming workweek. more >

Mon. Pollen

Mon. Dust & Dander

Mon. Wind Maps