Weather forecast for 10 daysMarysville, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 55°F
- 30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphENE 67°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:36 pm MDT
- details ▼
Today, mostly clear with scattered clouds is expected.
Temperatures are anticipated to range from a maximum of a moderate 55.4°F to a minimum of a harsh 30.2°F.
The anticipated top temperature is expected to be moderately higher than the usual October maximum of 49.6°F.
Sunrise was at 7:51 am and sunset will be at 6:36 pm; the daylight will last for 10h and 45min.
Temperatures are anticipated to range from a maximum of a moderate 55.4°F to a minimum of a harsh 30.2°F.
The anticipated top temperature is expected to be moderately higher than the usual October maximum of 49.6°F.
Sunrise was at 7:51 am and sunset will be at 6:36 pm; the daylight will last for 10h and 45min.
10-day overview
Daily temperatures
Warmest day: tomorrow 61°C.
Coldest day: Tuesday 27.10. 32°C.
Coldest day: Tuesday 27.10. 32°C.
Chance of precipitation
Highest chance: Friday 70%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 55°F
- 30°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphENE 67°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 61°F
- 34°F
Mostly Sunny
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 6mphS 174°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 55°F
- 34°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphN 11°
- Humidity: 55%
- UV index: 2
- Sunrise: 7:54 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 59°F
- 37°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 7mphSSW 192°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 19%
- Precipitation: 0.2"
- Wind: 7mphSW 223°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 41°F
- 25°F
Rain / Snow Showers
- Precip. probability: 70%
- Precipitation: 0.12"
- Wind: 13mphWNW 289°
- Humidity: 90%
- UV index: 2
- Sunrise: 7:58 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 41°F
- 25°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphSW 236°
- Humidity: 68%
- UV index: 3
- Sunrise: 8:00 am MDT
- Sunset: 6:26 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 43°F
- 23°F
Mostly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 8mphW 266°
- Humidity: 70%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 37°F
- 21°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphNNW 348°
- Humidity: 70%
- UV index: 2
- Sunrise: 8:03 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 32°F
- 21°F
AM Snow Showers
- Precip. probability: 31%
- Precipitation: 0.08"
- Wind: 9mphWNW 291°
- Humidity: 86%
- UV index: 2
- Sunrise: 8:04 am MDT
- Sunset: 6:21 pm MDT
- details ▼
Looking ahead, conditions suggest a period of cloud-filled, dry and sunny and snowy and cold weather is anticipated.
With a probability of 19%, rainfall is expected only on Thursday. The precipitation will be light at 0.2".
Snowfall is predicted for Friday and next Tuesday. With moderate precipitation of 0.2", most snowfall is expected on Thursday.
The temperature will vary considerably across the forecast period. The temperature is expected to swing from 32°F up to 60.8°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 21.2°F and 37.4°F.
Monday will be the warmest day, with a maximum temperature of 60.8°F; expect the coldest day on next Tuesday with a high of 32°F.
With a probability of 19%, rainfall is expected only on Thursday. The precipitation will be light at 0.2".
Snowfall is predicted for Friday and next Tuesday. With moderate precipitation of 0.2", most snowfall is expected on Thursday.
The temperature will vary considerably across the forecast period. The temperature is expected to swing from 32°F up to 60.8°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 21.2°F and 37.4°F.
Monday will be the warmest day, with a maximum temperature of 60.8°F; expect the coldest day on next Tuesday with a high of 32°F.
Updated: Oct 18, 2026 @ 13:51:40 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
On Sunday, in Marysville, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
Today, the highest temperature will be 55.4°F, while the lowest temperature will be 30.2°F.
The highest temperature today will be moderately higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
The highest temperature today will be moderately higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Marysville, sunrise was at 7:51 am and sunset will be at 6:36 pm (MDT).
Today, the daylight will last for 10h and 45min.





