Sammamish, WA Weather Forecast
Local 7-day forecast
Mostly Clear
Track current conditions, temperature changes, wind, and the full daily outlook for Sammamish, WA in one place.
Mostly clear, with a low around 54. East wind around 1 mph.
Local Weather Overview
This forecast page for Sammamish, WA is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 14, 2026 5:40 AM PDT.
The active forecast window currently covers Jul 14 to Jul 20, 2026 for Sammamish, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 14 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:40 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sammamish
Monday looks like the warmest upcoming period in Sammamish at 88 degrees F.
Overnight is the coolest period ahead with temperatures near 54 degrees F.
The strongest winds are forecast for Thursday at about 1 to 8 mph WNW.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:40 AM PDT
- Coverage
- 7 days
- Time zone
- America/Los_Angeles
- Forecast office
- SEW
- Radar station
- KATX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Sunny, with a high near 85. North northwest wind 0 to 6 mph.
Partly cloudy, with a low around 57. Northeast wind 0 to 6 mph.
Mostly sunny, with a high near 86. North northwest wind 1 to 6 mph.
Rain likely after 11pm. Partly cloudy, with a low around 58. North northeast wind 1 to 6 mph. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
Rain likely. Partly sunny, with a high near 81. Chance of precipitation is 60%. New rainfall amounts less than a tenth of an inch possible.
A chance of rain before 5am. Mostly cloudy, with a low around 58.
Mostly sunny, with a high near 81.
Mostly clear, with a low around 57.
Sunny, with a high near 82.
Mostly clear, with a low around 57.
Sunny, with a high near 85.
Mostly clear, with a low around 59.
Sunny, with a high near 88.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Overnight
Jul 14
|
Mostly Clear
|
54°F |
1 mph
E
|
|
Tuesday
Jul 14
|
Sunny
|
85°F |
0 to 6 mph
NNW
|
|
Tuesday Night
Jul 14
|
Partly Cloudy
|
57°F |
0 to 6 mph
NE
|
|
Wednesday
Jul 15
|
Mostly Sunny
|
86°F |
1 to 6 mph
NNW
|
|
Wednesday Night
Jul 15
|
Light Rain Likely
|
58°F |
1 to 6 mph
NNE
|
|
Thursday
Jul 16
|
Light Rain Likely
|
81°F |
1 to 8 mph
WNW
|
|
Thursday Night
Jul 16
|
Chance Light Rain
|
58°F |
6 mph
SW
|
|
Friday
Jul 17
|
Mostly Sunny
|
81°F |
3 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
57°F |
0 to 5 mph
WNW
|
|
Saturday
Jul 18
|
Sunny
|
82°F |
0 to 5 mph
WSW
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
57°F |
0 to 5 mph
NNW
|
|
Sunday
Jul 19
|
Sunny
|
85°F |
0 to 6 mph
NNW
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
0 to 6 mph
N
|
|
Monday
Jul 20
|
Sunny
|
88°F |
0 to 5 mph
NNW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sammamish.