West Lake Sammamish, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for West Lake Sammamish, WA in one place.
Mostly sunny, with a high near 70. North northeast wind around 3 mph.
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: Oct 13, 2026 7:00 PM PDT.
The active forecast window currently covers Oct 15 to Oct 19, 2026 for West Lake Sammamish, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 15 to Oct 19, 2026
- Latest sync
- Oct 13, 2026 7:00 PM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in West Lake Sammamish
Friday looks like the warmest upcoming period in West Lake Sammamish at 72 degrees F.
Saturday Night is the coolest period ahead with temperatures near 42 degrees F.
The strongest winds are forecast for Friday Night at about 1 to 12 mph SSW.
Precipitation is mentioned in 6 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 13, 2026 7:00 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
Mostly clear, with a low around 52.
Mostly sunny, with a high near 72.
Rain likely after 11pm. Mostly cloudy, with a low around 53.
Rain likely before 5pm. Mostly cloudy, with a high near 57.
Mostly cloudy, with a low around 42.
A slight chance of rain after 5pm. Partly sunny, with a high near 56.
Rain likely. Mostly cloudy, with a low around 46.
Rain likely. Mostly cloudy, with a high near 53.
A chance of rain. Mostly cloudy, with a low around 44.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Oct 15
|
Mostly Sunny
|
70°F |
3 mph
NNE
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
52°F |
2 to 8 mph
E
|
|
Friday
Oct 16
|
Mostly Sunny
|
72°F |
0 to 7 mph
SSE
|
|
Friday Night
Oct 16
|
Light Rain Likely
|
53°F |
1 to 12 mph
SSW
|
|
Saturday
Oct 17
|
Light Rain Likely
|
57°F |
2 to 12 mph
SW
|
|
Saturday Night
Oct 17
|
Mostly Cloudy
|
42°F |
2 mph
NE
|
|
Sunday
Oct 18
|
Partly Sunny then Slight Chance Light Rain
|
56°F |
2 mph
NW
|
|
Sunday Night
Oct 18
|
Light Rain Likely
|
46°F |
1 to 5 mph
SSW
|
|
Monday
Oct 19
|
Light Rain Likely
|
53°F |
5 mph
S
|
|
Monday Night
Oct 19
|
Chance Light Rain
|
44°F |
3 mph
SSE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Lake Sammamish.