Weather forecast for tomorrowHarrison, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 61°F
- 32°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphN 1°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:36 pm MDT
- details ▼
On Sunday, October 18, sunshine will lead the day, with clouds making only brief appearances.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 60.8°F to a low of a wintry 32°F.
Tomorrow's high is expected to be a couple of degrees higher than the average high in October of 53.8°F.
Sunrise will be at 7:48 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 48min.
Temperature fluctuations will be substantial, ranging from a peak of a comfortable 60.8°F to a low of a wintry 32°F.
Tomorrow's high is expected to be a couple of degrees higher than the average high in October of 53.8°F.
Sunrise will be at 7:48 am and sunset at 6:36 pm; tomorrow's daylight will last for 10h and 48min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 59°C.
Coldest hour: 6 am 37°C.
Coldest hour: 6 am 37°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:43°F
Mostly Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSW 219°
- Humidity: 48%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 41°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 230°
- Humidity: 60%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 233°
- Humidity: 65%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphSW 235°
- Humidity: 69%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:48 am
- 8 am
- 36°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphWSW 238°
- Humidity: 74%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 45°F
- Feels like:45°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphWNW 285°
- Humidity: 61%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 52°F
- Feels like:52°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 15°
- Humidity: 49%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 33°
- Humidity: 41%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 59°F
- Feels like:59°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNE 27°
- Humidity: 36%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNE 55°
- Humidity: 39%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:36 pm
- 8 pm
- 48°F
- Feels like:48°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSW 211°
- Humidity: 52%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphSW 227°
- Humidity: 61%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of bright and dull weather is anticipated.
The temperature will be between a minimum of 35.6°F and a maximum of 60.8°F. The warmest part of the day will be around 5 pm.
The high will be a few degrees higher than the normal maximum of 53.8°F for October. The temperature low is forecasted to be also comparable to the usual October value of 33.4°F.
The temperature will be between a minimum of 35.6°F and a maximum of 60.8°F. The warmest part of the day will be around 5 pm.
The high will be a few degrees higher than the normal maximum of 53.8°F for October. The temperature low is forecasted to be also comparable to the usual October value of 33.4°F.
Updated: Oct 18, 2026 @ 03:18:07 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 Harrison, bright conditions and mild breezes are expected.
Tomorrow, the maximum temperature will be 60.8°F, while the minimum temperature will be 32°F.
The highest temperature will be relatively higher than the average maximum of 53.8°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
The highest temperature will be relatively higher than the average maximum of 53.8°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.
On Sunday, in Harrison, sunrise will be at 7:48 am and sunset at 6:36 pm (MDT).
In Harrison, Montana, the length of the day tomorrow will be 10h and 48min.
