• Today

    Sep 17

    72°Lo 56°

    Turning out cloudy

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

    Sep 18

    69°Lo 56°

    Mostly cloudy, showers around

    Low ragweed pollen levels
    • Grass
      Pollen
      0 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      0 - Low
  • Fri

    Sep 19

    71°Lo 49°

    Cloudy most of the time

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

    Sep 20

    74°Lo 51°

    Partly sunny and pleasant

    Low ragweed pollen levels
    • Precip
      2%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      26%
    more
  • Sun

    Sep 21

    80°Lo 54°

    Mostly sunny and pleasant

    Ragweed Pollen Weather
    • Precip
      8%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      11%
    more
Next Previous
Hi 69° RealFeel® 68° Precipitation 64%

Day

N

E

S

W

  • S 4 mph
  • Gusts: 5 mph

Cloudy most of the time with a couple of showers

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0.1 in
  • Rain: 0.1 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs
Lo 56° RealFeel® 54° Precipitation 25%

Night

N

E

S

W

  • SSE 3 mph
  • Gusts: 5 mph

Mainly 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

Mount Vernon Pollen Levels - September 18

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 69° 68° N/A 66°
Low 56° 48° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:50 AM with 12:26 of sunlight, then sets at 7:16 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 1:29 AM with 14:57 of moolight, then sets at 4:26 PM

Top Story

Mount Vernon Weather Report

Seattle: Cooler, Wet Weather to Return

September 17, 2014; 7:20 AM ET

After a three-day stretch with well-above normal high temperatures, more seasonable weather is expected in Seattle for the remainder of the week. more >

Thu. Pollen

Thu. Dust & Dander

Thu. Wind Maps