West Lake Sammamish, WA Weather Forecast
Local 7-day forecast
Light Rain
Track current conditions, temperature changes, wind, and the full daily outlook for West Lake Sammamish, WA in one place.
Rain. Mostly cloudy, with a high near 72. Southwest wind around 7 mph. Chance of precipitation is 80%. New rainfall amounts less than a tenth of an inch possible.
Local Weather Overview
This forecast page for West Lake 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 5:52 PM PDT.
The active forecast window currently covers Jul 16 to Jul 20, 2026 for West Lake Sammamish, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 16 to Jul 20, 2026
- Latest sync
- Jul 14, 2026 5:52 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in West Lake Sammamish
Monday looks like the warmest upcoming period in West Lake Sammamish at 86 degrees F.
Friday Night is the coolest period ahead with temperatures near 55 degrees F.
The strongest winds are forecast for Thursday Night at about 8 mph SSW.
Precipitation is mentioned in 2 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 14, 2026 5:52 PM PDT
- Coverage
- 6 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
A chance of rain before 11pm. Mostly cloudy, with a low around 56. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Mostly sunny, with a high near 77.
Mostly clear, with a low around 55.
Sunny, with a high near 78.
Mostly clear, with a low around 56.
Sunny, with a high near 82.
Mostly clear, with a low around 59.
Sunny, with a high near 86.
Partly cloudy, with a low around 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Jul 16
|
Light Rain
|
72°F |
7 mph
SW
|
|
Thursday Night
Jul 16
|
Chance Light Rain then Mostly Cloudy
|
56°F |
8 mph
SSW
|
|
Friday
Jul 17
|
Mostly Sunny
|
77°F |
3 to 7 mph
SW
|
|
Friday Night
Jul 17
|
Mostly Clear
|
55°F |
1 to 6 mph
N
|
|
Saturday
Jul 18
|
Sunny
|
78°F |
1 to 6 mph
N
|
|
Saturday Night
Jul 18
|
Mostly Clear
|
56°F |
1 to 7 mph
N
|
|
Sunday
Jul 19
|
Sunny
|
82°F |
1 to 7 mph
N
|
|
Sunday Night
Jul 19
|
Mostly Clear
|
59°F |
1 to 7 mph
NNE
|
|
Monday
Jul 20
|
Sunny
|
86°F |
1 to 5 mph
N
|
|
Monday Night
Jul 20
|
Partly Cloudy
|
62°F |
1 to 5 mph
N
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Lake Sammamish.