Sammamish, WA Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Sammamish, WA in one place.
Mostly sunny, with a high near 63. East northeast 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: Oct 12, 2026 12:55 AM PDT.
The active forecast window currently covers Oct 13 to Oct 18, 2026 for Sammamish, WA.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Oct 13 to Oct 18, 2026
- Latest sync
- Oct 12, 2026 12:55 AM PDT
- Forecast office
- SEW
- Source
- NOAA / NWS
Daily Outlook
This Week in Sammamish
Friday looks like the warmest upcoming period in Sammamish at 74 degrees F.
Wednesday Night is the coolest period ahead with temperatures near 47 degrees F.
The strongest winds are forecast for Friday Night at about 0 to 6 mph SSE.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Oct 12, 2026 12:55 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 48. Southeast wind around 1 mph.
Partly sunny, with a high near 66.
Partly cloudy, with a low around 47.
Mostly sunny, with a high near 71.
Mostly clear, with a low around 50.
Mostly sunny, with a high near 74.
A chance of rain after 11pm. Partly cloudy, with a low around 53.
A chance of rain. Partly sunny, with a high near 65.
A slight chance of rain before 5am. Mostly cloudy, with a low around 48.
A chance of rain after 5pm. Mostly cloudy, with a high near 62.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Tuesday
Oct 13
|
Mostly Sunny
|
63°F |
1 mph
ENE
|
|
Tuesday Night
Oct 13
|
Mostly Cloudy
|
48°F |
1 mph
SE
|
|
Wednesday
Oct 14
|
Partly Sunny
|
66°F |
2 mph
SSE
|
|
Wednesday Night
Oct 14
|
Partly Cloudy
|
47°F |
0 mph
|
|
Thursday
Oct 15
|
Mostly Sunny
|
71°F |
1 mph
N
|
|
Thursday Night
Oct 15
|
Mostly Clear
|
50°F |
1 mph
NE
|
|
Friday
Oct 16
|
Mostly Sunny
|
74°F |
1 mph
E
|
|
Friday Night
Oct 16
|
Chance Light Rain
|
53°F |
0 to 6 mph
SSE
|
|
Saturday
Oct 17
|
Chance Light Rain
|
65°F |
3 mph
SSW
|
|
Saturday Night
Oct 17
|
Slight Chance Light Rain
|
48°F |
1 mph
SSE
|
|
Sunday
Oct 18
|
Mostly Cloudy then Chance Light Rain
|
62°F |
1 mph
S
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Sammamish.
