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 52. South southwest wind around 7 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: Apr 15, 2026 5:37 AM PDT.
The active forecast window currently covers Apr 16 to Apr 21, 2026 for West Lake Sammamish, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Apr 16 to Apr 21, 2026
- Latest sync
- Apr 15, 2026 5:37 AM 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 65 degrees F.
Thursday Night is the coolest period ahead with temperatures near 39 degrees F.
The strongest winds are forecast for Thursday at about 7 mph SSW.
Precipitation is mentioned in 7 upcoming forecast periods.
Forecast Details
- Last updated
- Apr 15, 2026 5:37 AM 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 cloudy, with a low around 39. South southwest wind around 7 mph.
Partly sunny, with a high near 54.
Mostly cloudy, with a low around 39.
A chance of rain after 5pm. Mostly cloudy, with a high near 62.
A chance of rain. Mostly cloudy, with a low around 45.
A chance of rain. Mostly cloudy, with a high near 62.
A chance of rain. Mostly cloudy, with a low around 45.
A slight chance of rain. Mostly sunny, with a high near 65.
A slight chance of rain. Partly cloudy, with a low around 46.
A chance of rain. Mostly sunny, with a high near 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Thursday
Apr 16
|
Mostly Sunny
|
52°F |
7 mph
SSW
|
|
Thursday Night
Apr 16
|
Mostly Cloudy
|
39°F |
7 mph
SSW
|
|
Friday
Apr 17
|
Partly Sunny
|
54°F |
5 mph
SW
|
|
Friday Night
Apr 17
|
Mostly Cloudy
|
39°F |
5 mph
NE
|
|
Saturday
Apr 18
|
Mostly Cloudy then Chance Light Rain
|
62°F |
5 mph
SSE
|
|
Saturday Night
Apr 18
|
Chance Light Rain
|
45°F |
5 mph
NE
|
|
Sunday
Apr 19
|
Chance Light Rain
|
62°F |
6 mph
NNE
|
|
Sunday Night
Apr 19
|
Chance Light Rain
|
45°F |
2 to 6 mph
NNE
|
|
Monday
Apr 20
|
Slight Chance Light Rain
|
65°F |
2 to 6 mph
N
|
|
Monday Night
Apr 20
|
Slight Chance Light Rain
|
46°F |
6 mph
N
|
|
Tuesday
Apr 21
|
Chance Light Rain
|
63°F |
3 to 7 mph
WSW
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around West Lake Sammamish.