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 3°
- Humidity: 75%
- UV index: 3
- Sunrise: 7:31 am PDT
- Sunset: 6:14 pm PDT
- details ▼
Tomorrow, intermittent cloud cover is expected, allowing for some sunshine.
The temperature is anticipated to vary between a maximum of a mild 59°F and a minimum of a brisk 42.8°F.
Tomorrow's top temperature will adhere to the average October high temperature 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.
The temperature is anticipated to vary between a maximum of a mild 59°F and a minimum of a brisk 42.8°F.
Tomorrow's top temperature will adhere to the average October high temperature 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: 3 am - 6 am 8%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNNE 25°
- Humidity: 92%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 38°
- Humidity: 94%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 1mphNE 55°
- 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: 2mphNE 55°
- Humidity: 95%
- 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 44°
- Humidity: 98%
- Pressure: 30.18"Hg
- Visibility: 8mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Mostly Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 2mphNNE 30°
- Humidity: 87%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNNW 342°
- Humidity: 72%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 343°
- Humidity: 60%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNNW 343°
- Humidity: 58%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNNW 335°
- Humidity: 71%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:14 pm
- 8 pm
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 2mphNNW 346°
- Humidity: 84%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:46°F
Cloudy
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 1mphN 3°
- Humidity: 91%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily cloudy and occasionally clear weather is forecasted.
The temperature will be between a minimum of 39.2°F and a maximum of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the maximum will be alike with October's typical high. Tomorrow, the night is expected to be also alike with the typical October low of 43.7°F.
The temperature will be between a minimum of 39.2°F and a maximum of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
Tomorrow, the maximum will be alike with October's typical high. Tomorrow, the night is expected to be also alike with the typical October low of 43.7°F.
Updated: Oct 18, 2026 @ 01:15:43 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Tomorrow, expect partly sunny skies with periods of cloudiness.
Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 42.8°F.
The highest temperature will be in line with the average maximum of 58.5°F in October. The lowest temperature tomorrow will be also in line with the average low temperature.
The highest temperature will be in line with the average maximum of 58.5°F in October. The lowest temperature tomorrow 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, the length of the day tomorrow will be 10h and 43min.
