• Today

    Sep 17

    72°Lo 56°

    Turning out cloudy

    Advisory for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      40%
    • Hours of Precip
      2.5
  • Thu

    Sep 18

    69°Lo 56°

    Mostly cloudy, showers around

    Advisory for hair frizz
    • Wind
      Gust
      5 mph
    • Precip
      64%
    • Hours of Precip
      2
    more
  • Fri

    Sep 19

    71°Lo 49°

    Cloudy most of the time

    Advisory for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      25%
    • Hours of Precip
      0
    more
  • Sat

    Sep 20

    74°Lo 51°

    Partly sunny and pleasant

    Advisory for hair frizz
    • Wind
      Gust
      9 mph
    • Precip
      2%
    • Hours of Precip
      0
    more
  • Sun

    Sep 21

    80°Lo 54°

    Mostly sunny and pleasant

    Watch for hair frizz
    • Wind
      Gust
      6 mph
    • Precip
      8%
    • Hours of Precip
      0
    more
Next Previous
Hi 72° RealFeel® 73° Precipitation 40%

Day

N

E

S

W

  • WNW 2 mph
  • Gusts: 5 mph

Turning out cloudy with a shower in places this afternoon

  • Max UV Index: 3 (Moderate)
  • Thunderstorms: 20%
  • Precipitation: 0.01 in
  • Rain: 0.01 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0.5 hrs
  • Hours of Rain: 0.5 hrs
Lo 56° RealFeel® 54° Precipitation 60%

Night

N

E

S

W

  • SSE 2 mph
  • Gusts: 3 mph

Considerable cloudiness with a couple of showers

  • Max UV Index: N/A
  • Thunderstorms: 20%
  • Precipitation: 0.12 in
  • Rain: 0.12 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 2 hrs
  • Hours of Rain: 2 hrs

Temperature History - Sep 17

more Historical Weather Data >
  Today Normal Record 9/17/2013
High 72° 68° N/A 63°
Low 56° 48° N/A 54°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 6:49 AM with 12:29 of sunlight, then sets at 7:18 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 12:33 AM with 15:17 of moolight, then sets at 3:50 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 >

The History Behind the UV Index

Nov 12, 2012; 5:00 AM ET The UV index has been around since the early 1990s. It was created to help you plan outdoor activities in hopes to limit overexposure to the sun. Jeannette Calle has more.

Wed. Hair Frizz

Wed. Wind Maps

Wed. UV Index