Weather forecast for tomorrowRoslyn, WA
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 59°F
- 41°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSE 129°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:27 am PDT
- Sunset: 6:10 pm PDT
- details ▼
On Sunday, October 18, sunshine will dominate, with only occasional cloud cover.
The temperature variation is anticipated to range from a maximum of a mild 59°F to a minimum of an icy 41°F.
Tomorrow, the expected temperature appears higher and closer to September's norm of 64.6°F.
Sunrise will be at 7:27 am and sunset at 6:10 pm; tomorrow's daylight will last for 10h and 44min.
The temperature variation is anticipated to range from a maximum of a mild 59°F to a minimum of an icy 41°F.
Tomorrow, the expected temperature appears higher and closer to September's norm of 64.6°F.
Sunrise will be at 7:27 am and sunset at 6:10 pm; tomorrow's daylight will last for 10h and 44min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 57°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 3 am 4%.
Hourly weather forecast
- 12 am
- 45°F
- Feels like:41°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphW 270°
- Humidity: 74%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphW 274°
- Humidity: 76%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphW 272°
- Humidity: 76%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:36°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphWNW 293°
- Humidity: 74%
- Pressure: 30.21"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:27 am
- 8 am
- 36°F
- Feels like:36°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphWNW 282°
- Humidity: 73%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 1mphS 187°
- Humidity: 54%
- Pressure: 30.18"Hg
- Visibility: 6mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphESE 105°
- Humidity: 40%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphE 98°
- Humidity: 34%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 55°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphESE 115°
- Humidity: 35%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 52°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphESE 114°
- Humidity: 44%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:10 pm
- 8 pm
- 46°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphE 87°
- Humidity: 57%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:45°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphENE 73°
- Humidity: 59%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of overcast and bright weather is forecasted.
The temperature will be between a minimum of 35.6°F and a maximum of 57.2°F. The warmest part of the day is anticipated around 3 pm.
The temperature tomorrow will feel more consistent with September's average high of 64.6°F than the usual for October. The expected low will be also more alike with what’s typical in September than in October.
The temperature will be between a minimum of 35.6°F and a maximum of 57.2°F. The warmest part of the day is anticipated around 3 pm.
The temperature tomorrow will feel more consistent with September's average high of 64.6°F than the usual for October. The expected low will be also more alike with what’s typical in September than in October.
Updated: Oct 18, 2026 @ 00:23:01 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, a crisp, sunny atmosphere is likely.
Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 41°F.
The maximum temperature will be moderately higher than the average highest temperature of 50.7°F in October. The lowest temperature will be also slightly warmer than the average low of 34.7°F.
The maximum temperature will be moderately higher than the average highest temperature of 50.7°F in October. The lowest temperature will be also slightly warmer than the average low of 34.7°F.
On Sunday, in Roslyn, sunrise will be at 7:27 am and sunset at 6:10 pm (PDT).
In Roslyn, the length of the day tomorrow will be 10h and 44min.





