• Today

    Aug 28

    93°Lo 64°

    Times of clouds and sun

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

    Aug 29

    78°Lo 55°

    Cooler with clouds and sun

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

    Aug 30

    82°Lo 52°

    Mostly sunny

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

    Aug 31

    79°Lo 53°

    Areas of low clouds, then sun

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

    Sep 1

    78°Lo 54°

    Sunny; breezy in the p.m.

    Low ragweed pollen levels
    • Grass
      Pollen
      1 - Low
    • Ragweed
      Pollen
      1 - Low
    • Tree
      Pollen
      1 - Low
    more
Next Previous
Hi 93° RealFeel® 95° Precipitation 5%

Day

N

E

S

W

  • WSW 9 mph
  • Gusts: 24 mph

Times of clouds and sun

  • Max UV Index: 6 (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 64° RealFeel® 62° Precipitation 25%

Night

N

E

S

W

  • W 10 mph
  • Gusts: 17 mph

Partly cloudy

  • 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 28

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

    Low

  • Mold Pollen

    Low

  • Ragweed Pollen

    Low

  • Tree Pollen

    Low

Temperature History - Aug 28

more Historical Weather Data >
  Today Normal Record 8/28/2014
High 93° 84° 104° (1944) 89°
Low 64° 55° 42° (1939) 57°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:35 AM with 13:10 of sunlight, then sets at 7:45 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 7:02 PM with 11:26 of moolight, then sets at 6:28 AM

Napa Weather Report

San Francisco: Sunshine, Dry Conditions to Span the Weekend

August 28, 2015; 5:12 PM ET

Dry conditions are expected to continue across the area for the foreseeable future. more >

Fri. Pollen

Fri. Dust & Dander

Fri. Wind Maps