Weather forecast for 10 daysFortine, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNE 38°
- Humidity: 64%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:44 pm MDT
- details ▼
Today, on Sunday, October 18, the outlook remains bright and sunny.
Temperature is expected to swing from a high of a breezy 60.8°F to a low of a cold 35.6°F.
Temperatures are higher than average, more in line with September's norm of 65.8°F than with October's 49.1°F.
Sunrise will be at 8:05 am and sunset at 6:44 pm; the daylight will last for 10h and 40min.
Temperature is expected to swing from a high of a breezy 60.8°F to a low of a cold 35.6°F.
Temperatures are higher than average, more in line with September's norm of 65.8°F than with October's 49.1°F.
Sunrise will be at 8:05 am and sunset at 6:44 pm; the daylight will last for 10h and 40min.
10-day overview
Daily temperatures
Warmest period: Wednesday - Thursday 64°C.
Coldest period: Sunday - Tuesday 43°C.
Coldest period: Sunday - Tuesday 43°C.
Chance of precipitation
Highest chance: Friday 45%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 36°F
Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNE 38°
- Humidity: 64%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 37°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 3mphNE 38°
- Humidity: 58%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphN 352°
- Humidity: 61%
- UV index: 2
- Sunrise: 8:08 am MDT
- Sunset: 6:40 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 4mphESE 120°
- Humidity: 55%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 41°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 4mphSE 138°
- Humidity: 59%
- UV index: 2
- Sunrise: 8:11 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 30°F
Showers
- Precip. probability: 45%
- Precipitation: 0.08"
- Wind: 6mphW 261°
- Humidity: 80%
- UV index: 1
- Sunrise: 8:12 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 28°F
Partly Cloudy
- Precip. probability: 17%
- Precipitation: 0.12"
- Wind: 5mphSSE 151°
- Humidity: 71%
- UV index: 2
- Sunrise: 8:14 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 27°F
AM Snow Showers
- Precip. probability: 43%
- Precipitation: 0.08"
- Wind: 6mphENE 65°
- Humidity: 74%
- UV index: 2
- Sunrise: 8:15 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 28°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 5mphENE 72°
- Humidity: 73%
- UV index: 2
- Sunrise: 8:17 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 28°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphE 100°
- Humidity: 80%
- UV index: 2
- Sunrise: 8:18 am MDT
- Sunset: 6:27 pm MDT
- details ▼
Mixed conditions are forecasted for the coming ten days, and a mix of overcast, bright, rain-filled and snow-covered weather is forecasted.
Rainfall is expected on Thursday through Saturday.
With a 43% probability, snowfall is expected only on next Sunday. The precipitation will be light at 0.12".
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 42.8°F and 64.4°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 26.6°F and 41°F.
The warmest days in Fortine will be Wednesday and Thursday, with a maximum of 64.4°F; next Sunday through next Tuesday, with the highest temperature of 42.8°F, will be the coldest days in Fortine.
Rainfall is expected on Thursday through Saturday.
With a 43% probability, snowfall is expected only on next Sunday. The precipitation will be light at 0.12".
Significant changes in temperature are expected in the upcoming days. Forecast highs will fluctuate between 42.8°F and 64.4°F, while the nightly low temperatures will show also a considerable swing, as the minimum temperature is expected to range between 26.6°F and 41°F.
The warmest days in Fortine will be Wednesday and Thursday, with a maximum of 64.4°F; next Sunday through next Tuesday, with the highest temperature of 42.8°F, will be the coldest days in Fortine.
Updated: Oct 18, 2026 @ 10:14:24 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, clear skies and sunshine are anticipated.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
The highest temperature today will be uncommonly higher than the average maximum of 49.1°F in October. The lowest temperature will be slightly warmer than the average low of 30.6°F.
The highest temperature today will be uncommonly higher than the average maximum of 49.1°F in October. The lowest temperature will be slightly warmer than the average low of 30.6°F.
On Sunday, in Fortine, sunrise will be at 8:05 am and sunset at 6:44 pm (MDT).
In Fortine, today, there will be 10h and 40min of daylight.
