Weather forecast for tomorrowSweet Grass, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 61°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 59%
- UV index: 2
- Sunrise: 7:55 am MDT
- Sunset: 6:30 pm MDT
- details ▼
Tomorrow, in Sweet Grass, sunlight and clouds will take turns dominating the sky.
Temperatures are forecasted to peak at an enjoyable 60.8°F and drop to a minimum of a cold 35.6°F.
A high of 60.8°F is expected, which resembles September's climate average of 67.6°F more than October's 51.4°F.
Sunrise will be at 7:55 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 35min.
Temperatures are forecasted to peak at an enjoyable 60.8°F and drop to a minimum of a cold 35.6°F.
A high of 60.8°F is expected, which resembles September's climate average of 67.6°F more than October's 51.4°F.
Sunrise will be at 7:55 am and sunset at 6:30 pm; tomorrow's daylight will last for 10h and 35min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 34°C.
Coldest hour: 6 am 34°C.
Chance of precipitation
Highest chance: 6 am - 9 am 3%.
Hourly weather forecast
- 12 am
- 37°F
- Feels like:32°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphSSE 150°
- Humidity: 66%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 36°F
- Feels like:30°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 164°
- Humidity: 72%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 34°F
- Feels like:27°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 8mphS 173°
- Humidity: 79%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 34°F
- Feels like:27°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 9mphS 183°
- Humidity: 81%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:55 am
- 8 am
- 36°F
- Feels like:28°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphS 187°
- Humidity: 81%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 41°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphS 187°
- Humidity: 72%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 50°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 11mphS 186°
- Humidity: 54%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 57°F
- Feels like:54°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 10mphSSW 192°
- Humidity: 46%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 59°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphS 189°
- Humidity: 43%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 54°F
- Feels like:54°F
Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 182°
- Humidity: 52%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:30 pm
- 8 pm
- 48°F
- Feels like:46°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphENE 60°
- Humidity: 63%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 45°F
- Feels like:43°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphWNW 286°
- Humidity: 68%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and mostly clear weather is predicted.
The temperature will be between a minimum of 33.8°F and a maximum of 59°F. The feels-like temperature will be between a minimum of 26.6°F and a maximum of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The night temperature will be alike with the standard October low of 36.1°F.
The temperature will be between a minimum of 33.8°F and a maximum of 59°F. The feels-like temperature will be between a minimum of 26.6°F and a maximum of 57.2°F. The warmest part of the day will be at 3 pm and 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The night temperature will be alike with the standard October low of 36.1°F.
Updated: Oct 18, 2026 @ 10:27:38 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 Monday, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
The highest temperature will be significantly higher than the average maximum of 51.4°F in October. The lowest temperature will be in line with the average low of 36.1°F.
The highest temperature will be significantly higher than the average maximum of 51.4°F in October. The lowest temperature will be in line with the average low of 36.1°F.
On Monday, in Sweet Grass, sunrise will be at 7:55 am and sunset at 6:30 pm (MDT).
In Sweet Grass, tomorrow, there will be 10h and 35min of daylight.
