Weather forecast for tomorrowRoy, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 57°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 12mphE 100°
- Humidity: 44%
- UV index: 3
- Sunrise: 7:39 am MDT
- Sunset: 6:22 pm MDT
- details ▼
Tomorrow, in Roy, sunlight and clouds will take turns dominating the sky.
The temperature scale will run from a maximum of a refreshing 57.2°F to a minimum of a wintry 35.6°F.
Tomorrow's highest temperature will be relatively higher than the average October maximum of 52.2°F.
Sunrise will be at 7:39 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 44min.
The temperature scale will run from a maximum of a refreshing 57.2°F to a minimum of a wintry 35.6°F.
Tomorrow's highest temperature will be relatively higher than the average October maximum of 52.2°F.
Sunrise will be at 7:39 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 44min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 57°C.
Minimum temperature: 46°C.
Minimum temperature: 46°C.
Chance of precipitation
Highest chance: 3 am - 9 am 1%.
Hourly weather forecast
- 12 am
- 54°F
- Feels like:50°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphWNW 290°
- Humidity: 43%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 52°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWNW 282°
- Humidity: 49%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 48°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphWNW 286°
- Humidity: 54%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWNW 284°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:39 am
- 8 am
- 43°F
- Feels like:39°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphW 273°
- Humidity: 63%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphN 1°
- Humidity: 52%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 97°
- Humidity: 38%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 57°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 110°
- Humidity: 34%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 57°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphESE 112°
- Humidity: 34%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:50°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 117°
- Humidity: 39%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:22 pm
- 8 pm
- 48°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSE 138°
- Humidity: 50%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphSSE 151°
- Humidity: 53%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, primarily overcast and occasionally mostly clear weather is anticipated.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 57.2°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. The night temperature will be also in line with the standard October low of 35.1°F.
The temperature will be between the lowest temperature of 42.8°F and the highest temperature of 57.2°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the maximum will be relatively higher than the average high for October. The night temperature will be also in line with the standard October low of 35.1°F.
Updated: Oct 17, 2026 @ 15:07:46 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, sun and clouds will share the sky, creating a partly cloudy day.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 35.6°F.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Roy, sunrise will be at 7:39 am and sunset at 6:22 pm (MDT).
In Roy, Montana, the length of the day tomorrow will be 10h and 44min.
