• Tonight

    Sep 18

    Lo 57°

    Cloudy most of the time

    Driving Weather
    • Precip
      35%
    • Hours of Precip
      0
    • Rain
      0 in
  • Fri

    Sep 19

    71°Lo 49°

    An a.m. shower; mainly cloudy

    Very Good for driving
    • Precip
      47%
    • Hours of Precip
      0.5
    • Rain
      0.03 in
    more
  • Sat

    Sep 20

    74°Lo 51°

    Sunny to partly cloudy

    Excellent for driving
    • Precip
      2%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Sun

    Sep 21

    81°Lo 54°

    Mostly sunny and pleasant

    Excellent for driving
    • Precip
      6%
    • Hours of Precip
      0
    • Rain
      0 in
    more
  • Mon

    Sep 22

    73°Lo 53°

    Pleasant with clouds and sun

    Excellent for driving
    • Precip
      18%
    • Hours of Precip
      0
    • Rain
      0 in
    more
Next Previous
Hi 66° RealFeel® 65° Precipitation 35%

Day

N

E

S

W

  • SSE 4 mph
  • Gusts: 14 mph

Mainly cloudy

  • Max UV Index: 2 (Low)
  • Thunderstorms: 20%
  • Precipitation: 0 in
  • Rain: 0 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 0 hrs
  • Hours of Rain: 0 hrs
Lo 57° RealFeel® 55° Precipitation 25%

Night

N

E

S

W

  • SSE 2 mph
  • Gusts: 5 mph

Cloudy most of the time

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

Temperature History - Sep 18

more Historical Weather Data >
  Today Normal Record 9/18/2013
High 66° 68° N/A 66°
Low 57° 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 Weather to Fade for Weekend Heat

September 18, 2014; 4:20 PM ET

After a stretch of above-normal high temperatures, cooler, more seasonable weather is expected in Seattle for the remainder of the week, but it will be short-lived as heat returns to the region this weekend. more >

Travel Weather Forecast

Sep 18, 2014; 5:33 PM ET United States travel weather forecast

Thu. Travel Weather

48 Hour Precipitation Forecast

Thu. Driving Weather