Weather forecast for tomorrowGrass Range, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 59°F
- 39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 11mphE 99°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:38 am MDT
- Sunset: 6:22 pm MDT
- details ▼
On Sunday, October 18, high-altitude clouds may scatter across the sky, but the sun will still shine.
Temperature span will be from a high of a mild 59°F to a low of a wintry 39.2°F.
Tomorrow, the forecasted peak temperature is set to be relatively higher than the typical October temperature of 52.2°F.
Sunrise will be at 7:38 am and sunset at 6:22 pm; tomorrow's daylight will last for 10h and 44min.
Temperature span will be from a high of a mild 59°F to a low of a wintry 39.2°F.
Tomorrow, the forecasted peak temperature is set to be relatively higher than the typical October temperature of 52.2°F.
Sunrise will be at 7:38 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
- 55°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphW 268°
- Humidity: 39%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 52°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphWNW 284°
- Humidity: 45%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 50°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphWNW 289°
- Humidity: 52%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 46°F
- Feels like:43°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 9mphWNW 282°
- Humidity: 56%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:38 am
- 8 am
- 45°F
- Feels like:41°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphWSW 254°
- Humidity: 63%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:48°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 2°
- Humidity: 51%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 83°
- Humidity: 39%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 57°F
- Feels like:55°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 103°
- Humidity: 37%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 59°F
- Feels like:55°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphESE 110°
- Humidity: 36%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 55°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphESE 109°
- Humidity: 39%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:22 pm
- 8 pm
- 48°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSE 141°
- Humidity: 50%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 162°
- Humidity: 53%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and bright weather is expected.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day is expected around 4 pm.
Tomorrow, the maximum will be a couple of degrees higher than the average high for October. The minimum temperature tomorrow will be also moderately higher than October's average low.
The temperature will be between a minimum of 44.6°F and a maximum of 59°F. The warmest part of the day is expected around 4 pm.
Tomorrow, the maximum will be a couple of degrees higher than the average high for October. The minimum temperature tomorrow will be also moderately higher than October's average low.
Updated: Oct 17, 2026 @ 21:34:43 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, moderate cloud cover will mix with sunshine throughout the day.
Tomorrow, the maximum temperature will be 59°F, while the minimum temperature will be 39.2°F.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature tomorrow will be also a couple of degrees higher than the average low temperature.
Tomorrow, the maximum temperature will be relatively higher than the average highest temperature in October. The lowest temperature tomorrow will be also a couple of degrees higher than the average low temperature.
On Sunday, in Grass Range, sunrise will be at 7:38 am and sunset at 6:22 pm (MDT).
In Grass Range, tomorrow, there will be 10h and 44min of daylight.





