Weather forecast for tomorrowSammamish, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 59°F
- 43°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphN 0°
- Humidity: 74%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Tomorrow, on Sunday, October 18, occasional cloudiness will be present, but there will still be plenty of sun.
Temperatures are forecasted to peak at a mild 59°F and drop to a minimum of a frosty 42.8°F.
The high temperature is anticipated to match October's standard maximum of 58.5°F.
Sunrise will be at 7:31 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 43min.
Temperatures are forecasted to peak at a mild 59°F and drop to a minimum of a frosty 42.8°F.
The high temperature is anticipated to match October's standard maximum of 58.5°F.
Sunrise will be at 7:31 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 43min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 57°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 8%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNE 29°
- Humidity: 93%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 1mphNE 37°
- Humidity: 95%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNE 48°
- Humidity: 95%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 51°
- Humidity: 97%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:31 am
- 8 am
- 39°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 39°
- Humidity: 99%
- Pressure: 30.18"Hg
- Visibility: 9mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNNE 15°
- Humidity: 86%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:52°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNNW 345°
- Humidity: 69%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 339°
- Humidity: 58%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 342°
- Humidity: 57%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 69%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 50°F
- Feels like:50°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNNW 346°
- Humidity: 82%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphN 358°
- Humidity: 89%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily dull and occasionally sunny weather is expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 57.2°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature tomorrow will be in line with October's typical maximum. The nighttime low tomorrow will be also alike with October's typical minimum temperature.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 57.2°F. The warmest part of the day will be from 2 pm to 5 pm.
The highest temperature tomorrow will be in line with October's typical maximum. The nighttime low tomorrow will be also alike with October's typical minimum temperature.
Updated: Oct 18, 2026 @ 04:42:33 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, expect a partly sunny afternoon with variable cloud cover.
Tomorrow, the maximum temperature in Sammamish will be 59°F, while the minimum temperature will be 42.8°F.
The maximum temperature will be in line with the average highest temperature of 58.5°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
The maximum temperature will be in line with the average highest temperature of 58.5°F in October. Tomorrow, the lowest temperature will be also in line with the average low temperature.
On Sunday, in Sammamish, sunrise will be at 7:31 am and sunset at 6:14 pm (PDT).
In Sammamish, Washington, the length of the day tomorrow will be 10h and 43min.
