Weather forecast for 10 daysMarion, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- 61°F
- 30°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSW 226°
- Humidity: 44%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:46 pm MDT
- details ▼
On Saturday, in Marion, patchy clouds will move across the sky, allowing for sunshine at times.
The daytime temperature will peak at a breezy 60.8°F, significantly contrasting with the night's low of a harsh 30.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 67.1°F, not October's.
Sunrise was at 8:01 am and sunset will be at 6:46 pm; the daylight will last for 10h and 45min.
The daytime temperature will peak at a breezy 60.8°F, significantly contrasting with the night's low of a harsh 30.2°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 67.1°F, not October's.
Sunrise was at 8:01 am and sunset will be at 6:46 pm; the daylight will last for 10h and 45min.
Sunday Oct 18, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 3mphESE 108°
- Humidity: 59%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:44 pm MDT
- details ▼
Tomorrow, in Marion, sun and clouds will share the sky, creating a partly cloudy day.
The highest temperature will be a refreshing 55.4°F, while the lowest temperature will be a cold 32°F.
Tomorrow's high is expected to be slightly warmer than the average high in October of 50.4°F.
Sunrise will be at 8:03 am and sunset at 6:44 pm; tomorrow's daylight will last for 10h and 41min.
The highest temperature will be a refreshing 55.4°F, while the lowest temperature will be a cold 32°F.
Tomorrow's high is expected to be slightly warmer than the average high in October of 50.4°F.
Sunrise will be at 8:03 am and sunset at 6:44 pm; tomorrow's daylight will last for 10h and 41min.
10-day overview
Daily temperatures
Warmest day: today 61°C.
Coldest period: Sunday - Monday 43°C.
Coldest period: Sunday - Monday 43°C.
Chance of precipitation
Highest chance: Friday 42%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 61°F
- 30°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSW 226°
- Humidity: 44%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:46 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 55°F
- 32°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0"
- Wind: 3mphESE 108°
- Humidity: 59%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 57°F
- 36°F
Mostly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphENE 77°
- Humidity: 59%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 34°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphNE 43°
- Humidity: 60%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:40 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 36°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 4mphESE 112°
- Humidity: 59%
- UV index: 2
- Sunrise: 8:07 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 18%
- Precipitation: 0.08"
- Wind: 5mphS 170°
- Humidity: 64%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 45°F
- 28°F
AM Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 9mphWSW 256°
- Humidity: 79%
- UV index: 2
- Sunrise: 8:10 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 45°F
- 25°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 6mphS 174°
- Humidity: 67%
- UV index: 2
- Sunrise: 8:12 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 27°F
AM Snow Showers
- Precip. probability: 36%
- Precipitation: 0.08"
- Wind: 5mphENE 70°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:13 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 4mphE 86°
- Humidity: 72%
- UV index: 2
- Sunrise: 8:15 am MDT
- Sunset: 6:30 pm MDT
- details ▼
The weather will be unstable for the next ten days, and a combination of primarily cloud-filled and occasionally mostly clear, wet and snowy weather is predicted.
With minimal precipitation of 0.08", rainfall is expected on Thursday and Friday.
With a probability of 36%, snowfall is forecasted only for next Sunday. Forecasted precipitation will be minimal at 0.08".
Temperature differences will be noticeable in the upcoming period. Highs will range from 42.8°F to 60.8°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 24.8°F and 37.4°F.
Today is the warmest day, with a maximum temperature of 60.8°F; next Sunday and Monday, with the highest temperature of 42.8°F, will be the coldest days in Marion.
With minimal precipitation of 0.08", rainfall is expected on Thursday and Friday.
With a probability of 36%, snowfall is forecasted only for next Sunday. Forecasted precipitation will be minimal at 0.08".
Temperature differences will be noticeable in the upcoming period. Highs will range from 42.8°F to 60.8°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 24.8°F and 37.4°F.
Today is the warmest day, with a maximum temperature of 60.8°F; next Sunday and Monday, with the highest temperature of 42.8°F, will be the coldest days in Marion.
Updated: Oct 17, 2026 @ 15:24:14 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
Today, in Marion, variable cloud cover will persist, but sunshine will break through.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 30.2°F.
The highest temperature today will be significantly higher than the average maximum of 50.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
The highest temperature today will be significantly higher than the average maximum of 50.4°F in October. Today, the lowest temperature will be in line with the average low temperature.
On Saturday, in Marion, sunrise was at 8:01 am and sunset will be at 6:46 pm (MDT).
In Marion, today, there will be 10h and 45min of daylight.
On Sunday, the sky will feature a blend of clouds and sunshine.
Tomorrow, the maximum temperature will be 55.4°F, while the minimum temperature will be 32°F.
The highest temperature tomorrow will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 32.7°F.
The highest temperature tomorrow will be a few degrees higher than the average maximum temperature in October. The lowest temperature will be in line with the average low of 32.7°F.
On Sunday, in Marion, sunrise will be at 8:03 am and sunset at 6:44 pm (MDT).
In Marion, tomorrow, there will be 10h and 41min of daylight.





