• Early AM

    Dec 20

    Lo 42°

    A couple of showers

    Snow Days Weather
    • Snow
      0%
    • Ice
      0%
    • Snow
      0 in
    more
  • 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
Next Previous
< Previous 8 hours Next 8 hours >
  Sat
6am
7am 8am 9am 10am 11am 12pm 1pm
  6am 7am 8am 9am 10am 11am 12pm 1pm
Forecast
Cloudy
Rain
Rain
Rain
Rain
Rain
Rain
Rain
Temp (°F) 44° 45° 45° 45° 46° 47° 47° 48°
RealFeel® 37° 36° 36° 31° 33° 33° 34° 36°
Humidity 83% 84% 84% 85% 83% 83% 82% 83%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Rain
 
48%
 
75%
 
75%
 
75%
 
70%
 
70%
 
70%
 
75%
Snow
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
Ice
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
 
0%
   
  6am 7am 8am 9am 10am 11am 12pm 1pm
Wind (mph) 9 SE 9 SE 10 SE 18 SE 18 SE 20 SE 21 SSE 17 SSE
UV Index 0 0 0 0 0 0 0 0
Cloud Cover 99% 100% 100% 100% 99% 99% 98% 98%
Dew Point 39° 40° 40° 40° 41° 42° 42° 43°
Middle Grid line 50 F Middle Grid line 45 F Middle Grid line 40 F

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 19, 2014; 2:53 PM ET

Now in the second half of December, the Seattle area has received more than double its normal monthly rain total - and more wet weather is on the way. 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