Weather forecast for tomorrowSimms, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 36°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphE 97°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:34 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, high-altitude clouds may scatter across the sky, but the sun will still shine.
The temperature is expected to vary between a comfortable 60.8°F and an icy 35.6°F.
Tomorrow's temperature peak is set to be slightly warmer than the typical October high of 54.5°F.
Sunrise will be at 7:51 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 43min.
The temperature is expected to vary between a comfortable 60.8°F and an icy 35.6°F.
Tomorrow's temperature peak is set to be slightly warmer than the typical October high of 54.5°F.
Sunrise will be at 7:51 am and sunset at 6:34 pm; tomorrow's daylight will last for 10h and 43min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 41°C.
Coldest hour: 6 am 41°C.
Chance of precipitation
Highest chance: 6 am 5%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 7mphSW 232°
- Humidity: 49%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:45°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 6mphWSW 238°
- Humidity: 59%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 45°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphWSW 256°
- Humidity: 67%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:39°F
Mostly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphWSW 243°
- Humidity: 74%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:51 am
- 8 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 3mphWSW 252°
- Humidity: 79%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphWNW 286°
- Humidity: 66%
- Pressure: 30.15"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:52°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphE 96°
- Humidity: 46%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphESE 101°
- Humidity: 42%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 59°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 92°
- Humidity: 37%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 88°
- Humidity: 40%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:34 pm
- 8 pm
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphNE 55°
- Humidity: 51%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWNW 299°
- Humidity: 63%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dull and sunny weather is forecasted.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 59°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. The temperature low is forecasted to be also alike with the usual October value of 36.7°F.
The temperature will vary between the lowest temperature of 39.2°F and the highest temperature of 59°F. The warmest part of the day will be from 3 pm to 5 pm.
The maximum temperature tomorrow will be a couple of degrees higher than October's average high. The temperature low is forecasted to be also alike with the usual October value of 36.7°F.
Updated: Oct 17, 2026 @ 20:02:40 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
Tomorrow, in Simms, moderate cloud cover will mix with sunshine throughout the day.
Tomorrow, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The highest temperature will be slightly warmer than the average maximum of 54.5°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be slightly warmer than the average maximum of 54.5°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Simms, sunrise will be at 7:51 am and sunset at 6:34 pm (MDT).
In Simms, tomorrow, there will be 10h and 43min of daylight.
