• Today

    Apr 21

    63°Lo 40°

    Rather cloudy and cooler

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

    Apr 22

    56°Lo 38°

    Mostly cloudy with a shower

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

    Apr 23

    54°Lo 37°

    Mostly cloudy, showers around

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

    Apr 24

    55°Lo 38°

    Mostly cloudy, showers around

    Low ragweed pollen levels
    • Precip
      60%
    • Wind
      Speed
      5 mph
    • Cloud
      Cover
      76%
    more
  • Sat

    Apr 25

    57°Lo 44°

    Cloudy with a chance of rain

    Ragweed Pollen Weather
    • Precip
      35%
    • Wind
      Speed
      8 mph
    • Cloud
      Cover
      95%
    more
Next Previous
Hi 63° RealFeel® 65° Precipitation 54%

Day

N

E

S

W

  • SW 9 mph
  • Gusts: 17 mph

Mostly cloudy and cooler; an afternoon shower in the area

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.06 in
  • Rain: 0.06 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs
Lo 40° RealFeel® 37° Precipitation 40%

Night

N

E

S

W

  • SSW 6 mph
  • Gusts: 10 mph

Mostly cloudy with a shower in the area

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.02 in
  • Rain: 0.02 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 1 hrs
  • Hours of Rain: 1 hrs

Union Pollen Levels - April 21

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

    Pollen

    Low

  • Weed

    Pollen

    Low

  • Tree

    Pollen

    Low

  • Mold

    Pollen

    Low

Temperature History - Apr 21

more Historical Weather Data >
  Today Normal Record 4/21/2014
High 63° 60° 75° (1956) 64°
Low 40° 41° 30° (1985) 43°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:13 AM with 13:57 of sunlight, then sets at 8:10 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 8:29 AM with 15:15 of moolight, then sets at 11:44 PM

Union Weather Report

Seattle: Showers to Linger into Late Week

April 21, 2015; 11:15 AM ET

Following a dry start to the week, temperatures will slide slightly with the chance of showers returning for the next several days ahead of the weekend. more >

Tue. Pollen

Tue. Dust & Dander

Tue. Wind Maps