Weather forecast for 10 daysWest Lake Sammamish, WA
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphN 1°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:32 am PDT
- Sunset: 6:14 pm PDT
- details ▼
On Sunday, October 18, mostly clear with scattered clouds is expected.
Temperature span will be from a high of a refreshing 59°F to a low of a chilly 44.6°F.
Today's forecasted high will be in line with October's typical peak of 58.5°F.
Sunrise will be at 7:32 am and sunset at 6:14 pm; the daylight will last for 10h and 43min.
Temperature span will be from a high of a refreshing 59°F to a low of a chilly 44.6°F.
Today's forecasted high will be in line with October's typical peak of 58.5°F.
Sunrise will be at 7:32 am and sunset at 6:14 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Warmest day: Wednesday 64°C.
Coldest period: Saturday - Tuesday 54°C.
Coldest period: Saturday - Tuesday 54°C.
Chance of precipitation
Highest chance: Sunday 25.10. 39%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 7mphN 1°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:32 am PDT
- Sunset: 6:14 pm PDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 43°F
Mostly Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphWSW 246°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:33 am PDT
- Sunset: 6:13 pm PDT
- details ▼
- Tuesday
- Oct 20, 2026
- 61°F
- 43°F
Partly Cloudy
- Precip. probability: 20%
- Precipitation: 0"
- Wind: 8mphN 0°
- Humidity: 74%
- UV index: 3
- Sunrise: 7:35 am PDT
- Sunset: 6:11 pm PDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 45°F
Mostly Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 4mphNNW 344°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:36 am PDT
- Sunset: 6:09 pm PDT
- details ▼
- Thursday
- Oct 22, 2026
- 55°F
- 43°F
Mostly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 5mphW 263°
- Humidity: 78%
- UV index: 2
- Sunrise: 7:38 am PDT
- Sunset: 6:07 pm PDT
- details ▼
- Friday
- Oct 23, 2026
- 55°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.04"
- Wind: 4mphWSW 250°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:39 am PDT
- Sunset: 6:05 pm PDT
- details ▼
- Saturday
- Oct 24, 2026
- 54°F
- 41°F
PM Showers
- Precip. probability: 37%
- Precipitation: 0.16"
- Wind: 6mphWSW 248°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:40 am PDT
- Sunset: 6:04 pm PDT
- details ▼
- Sunday
- Oct 25, 2026
- 54°F
- 43°F
Showers
- Precip. probability: 39%
- Precipitation: 0.08"
- Wind: 7mphWNW 289°
- Humidity: 80%
- UV index: 2
- Sunrise: 7:42 am PDT
- Sunset: 6:02 pm PDT
- details ▼
- Monday
- Oct 26, 2026
- 54°F
- 43°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 4mphN 350°
- Humidity: 76%
- UV index: 2
- Sunrise: 7:43 am PDT
- Sunset: 6:00 pm PDT
- details ▼
- Tuesday
- Oct 27, 2026
- 54°F
- 41°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 6mphW 264°
- Humidity: 79%
- UV index: 2
- Sunrise: 7:45 am PDT
- Sunset: 5:59 pm PDT
- details ▼
Over the next ten days, a mix of primarily dull and occasionally rain-soaked and bright weather is anticipated.
Rainfall is anticipated on Thursday through next Sunday.
In the coming days, the highest temperature will vary between 53.6°F and 64.4°F, while the nighttime low will be mostly stable, as the minimum temperature will fluctuate between 41°F and 44.6°F.
Wednesday will be the warmest day, with a maximum temperature of 64.4°F; with a maximum temperature of 53.6°F, Saturday through next Tuesday will be the coldest days.
Rainfall is anticipated on Thursday through next Sunday.
In the coming days, the highest temperature will vary between 53.6°F and 64.4°F, while the nighttime low will be mostly stable, as the minimum temperature will fluctuate between 41°F and 44.6°F.
Wednesday will be the warmest day, with a maximum temperature of 64.4°F; with a maximum temperature of 53.6°F, Saturday through next Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 14:18:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
On Sunday, clouds will come and go, but expect bright periods in between.
Today, the highest temperature will be 59°F, while the lowest temperature will be 44.6°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 43.7°F.
Today, the highest temperature will be in line with the average maximum temperature in October. The lowest temperature will be also in line with the average low of 43.7°F.
On Sunday, in West Lake Sammamish, sunrise will be at 7:32 am and sunset at 6:14 pm (PDT).
In West Lake Sammamish, the length of the day today will be 10h and 43min.
