• Today

    Dec 20

    52°Lo 48°

    Windy with rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
  • Sun

    Dec 21

    53°Lo 42°

    Cloudy with a bit of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Mon

    Dec 22

    51°Lo 41°

    Cloudy with a stray shower

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Tue

    Dec 23

    52°Lo 42°

    Periods of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • Wed

    Dec 24

    48°Lo 37°

    Cloudy with a chance of rain

    Very Unlikely for a snow day
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
Next Previous
Hi 52° RealFeel® 40° Precipitation 82%

Day

N

E

S

W

  • SSE 17 mph
  • Gusts: 26 mph

Windy with rain; watch for flooding

  • Max UV Index: 0 (Low)
  • Thunderstorms: 10%
  • Precipitation: 0.67 in
  • Rain: 0.67 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 9 hrs
  • Hours of Rain: 9 hrs
Lo 48° RealFeel® 42° Precipitation 80%

Night

N

E

S

W

  • S 10 mph
  • Gusts: 21 mph

Rain, heavy at times; watch for flooding

  • Max UV Index: N/A
  • Thunderstorms: 7%
  • Precipitation: 0.79 in
  • Rain: 0.79 in
  • Snow: 0 in
  • Ice: 0 in
  • Hours of Precipitation: 11 hrs
  • Hours of Rain: 11 hrs

Temperature History - Dec 20

more Historical Weather Data >
  Today Normal Record 12/20/2013
High 52° 45° 57° (2009) 47°
Low 48° 35° 14° (2008) 33°

Sunrise/Sunset

Sunrise / Sunset Illustration

Rises at 7:53 AM with 8:26 of sunlight, then sets at 4:19 PM

Moonrise/Moonset

Astronomy >
Moonrise / Moonset Illustration

Rises at 6:08 AM with 9:33 of moolight, then sets at 3:41 PM

Sammamish Weather Report

Seattle: Stormy Pattern to Continue to Deliver Wet Weather

December 20, 2014; 4:43 AM ET

Wet weather will be the theme for Seattle through at least the first part of the new week. more >

The 540 Snow Line

Dec 20, 2012; 5:00 AM ET The 540 line is often used by meteorologists to determine the chances of rain vs. snow.

48 Hour Precipitation Forecast

Sat. Snow Day Potential