• Early AM

    May 20

    Lo 42°

    Partly cloudy

    Dust & Dander Weather
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Today

    May 20

    69°Lo 47°

    Mostly sunny

    Very High indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low
    more

  • Tue

    May 21

    56°Lo 45°

    Cooler with a few showers

    Extreme indoor dust & dander levels
    • Grass
      Pollen
      2 - Low
    • Ragweed
      Pollen
      0 - Low
    • Tree
      Pollen
      7 - Low

  • Wed

    May 22

    57°Lo 42°

    Mostly cloudy, showers around

    Extreme indoor dust & dander levels
    • Precip
      63%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      93%
    more

  • Thu

    May 23

    62°Lo 42°

    Cloudy with showers around

    Extreme indoor dust & dander levels
    • Precip
      63%
    • Wind
      Speed
      3 mph
    • Cloud
      Cover
      95%
    more
Next Previous
Hi 56° RealFeel® 59° Precipitation 64%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 6 mph

Mostly cloudy and cooler with a couple of showers

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.15 in
  • Rain: 0.15 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 3 hrs
  • Hours of Rain: 3 hrs
Lo 45° RealFeel® 43° Precipitation 63%

Night

N

E

S

W

  • SE 3 mph
  • Gusts: 5 mph

Mostly cloudy and chilly with showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.09 in
  • Rain: 0.09 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Snohomish Pollen Levels - May 21

  • Extreme
  • Very High
  • High
  • Moderate
  • Low

  • Grass

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - May 21

more Historical Weather Data >
  Today Normal Record 5/21/2012
High 56° N/A 81° (1963) 61°
Low 45° N/A 36° (1971) 51°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 5:23 AM with 15:24 of sunlight, then sets at 8:47 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 4:52 PM with 10:49 of moolight, then sets at 3:41 AM

How Weather Impacts Seasonal Allergy Symptoms

May 18, 2013; 5:00 AM ET If you suffer with seasonal allergies, the weather can relieve or worsen your symptoms. Marja Martinez has the details.

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps