Sammamish, WA Weather Forecast and Current Conditions

WEATHER ALERTS - Special Weather Statement - Flood Watch - Wind Advisory - Wind Advisory

Current Conditions From Nearby Local Station

Mostly Cloudy 55°F
Feels Like 55°F  
Humidity 73% Dew Point 46°F Wind N -621 MPH Barometer 29.88 in.
Report from a personal weather station 0.2 mi. SE of central Sammamish
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Point Forecast at a Glance

MonDec 15
Mon Dec 15: Rain Likely, High 53F, Low 45F
70%
53
45
TueDec 16
Tue Dec 16: Rain, High 54F, Low 41F
100%
54
41
WedDec 17
Wed Dec 17: Rain, High 47F, Low 41F
90%
47
41
ThuDec 18
Thu Dec 18: Rain, High 50F, Low 38F
100%
50
38
FriDec 19
Fri Dec 19: Rain, High 45F, Low 38F
50%
45
38
SatDec 20
Sat Dec 20: Rain, High 45F, Low 37F
50%
45
37
SunDec 21
Sun Dec 21: Snow, High 45F, Low 36F
50%
45
36

Jump to detailed forecast ↓

7-Day Temperature Trend

Week Ahead Summary

High temperatures remain relatively stable through the week, ranging from 45°F to 54°F. Unsettled weather expected with rain on most days, including one day with snow.

Climate Context

This week's forecast shows temperatures running 3°F above the historical average for December. Normal highs for this period are around 45°F with lows around 35°F.


This Date in Weather History

1945 - A record December snowstorm buried Buffalo, NY, under 36.6 inches of snow, with unofficial totals south of the city ranging up to 70 inches. Travel was brought to a halt by the storm.

More on this and other weather history


Sammamish, WA 7 Day Weather Forecast Details

Monday Dec 15

Rain Likely

Day: Rain likely, mainly before 5pm. Mostly cloudy, with a steady temperature around 53. Southwest wind around 14 mph, with gusts as high as 37 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: Rain. Low around 45. South southwest wind 6 to 11 mph, with gusts as high as 29 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

Tuesday Dec 16

Rain

Day: Rain. High near 54. South southwest wind 6 to 11 mph, with gusts as high as 31 mph. Chance of precipitation is 100%. New precipitation amounts between a quarter and half of an inch possible.

Rain

Night: Rain. Low around 41. Southwest wind 14 to 16 mph, with gusts as high as 37 mph. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

Wednesday Dec 17

Rain

Day: Rain. High near 47. South southwest wind 7 to 10 mph, with gusts as high as 24 mph. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Rain

Night: Rain. Low around 41. Chance of precipitation is 90%. New precipitation amounts of less than a tenth of an inch possible.

Thursday Dec 18

Rain

Day: Rain. High near 50. Chance of precipitation is 100%.

Rain

Night: Rain. Cloudy, with a low around 38.

Friday Dec 19

Rain

Day: Rain. Cloudy, with a high near 45.

Rain

Night: Rain. Cloudy, with a low around 38.

Saturday Dec 20

Rain

Day: Rain. Cloudy, with a high near 45.

Snow

Night: Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 37.

Sunday Dec 21

Snow

Day: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.

Snow

Night: Rain likely, possibly mixed with snow. Mostly cloudy, with a low around 36.

Monday Dec 22

Snow

Day: Rain likely, possibly mixed with snow. Mostly cloudy, with a high near 45.


About Sammamish, WA

Sammamish ( sə-MAM-ish) is a city in King County, Washington, United States. The population was 67,455 at the 2020 census. Located on a plateau, the city is bordered by Lake Sammamish to the west and the Snoqualmie Valley to the east. Sammamish is situated 20 miles east of Seattle, is a member of the Eastside, and is a part of the Seattle metropolitan area.

Content from Wikipedia, licensed under CC BY-SA 3.0.

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