Weather forecast for 10 daysOtter, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNE 41°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, a partly cloudy sky is also anticipated.
The maximum temperature will be a breezy 66.2°F, while the minimum temperature will be a frosty 42.8°F.
Tomorrow, expect a warmer trend, with a high of 66.2°F more common in September.
Sunrise will be at 7:25 am and sunset at 6:14 pm; tomorrow's daylight will last for 10h and 50min.

10-day overview

Daily temperatures

Warmest day: Thursday 75°C.
Coldest day: Saturday 24.10. 52°C.

Chance of precipitation

Highest chance: Friday 24%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 41°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphNW 305°
  • Humidity: 52%
  • UV index: 0
  • Sunrise: 7:23 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphNE 41°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:25 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphSSE 152°
  • Humidity: 40%
  • UV index: 3
  • Sunrise: 7:26 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 73°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphNW 313°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:27 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSE 135°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 52°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 9mphSSE 165°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:30 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 68°F
  • 39°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.28"
  • Wind: 14mphW 263°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:31 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 12mphNW 326°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 11mphESE 117°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 55°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 10mphN 3°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:35 am MDT
  • Sunset: 6:01 pm MDT
  • ▼
Over the next ten days, a combination of clear and gloomy weather is predicted.
With a 24% probability, rainfall is predicted only for Friday. The precipitation will be light at 0.28".
Temperature fluctuation will be noticeable in the upcoming period. Forecast highs will fluctuate between 51.8°F and 75.2°F, while the difference in minimum temperatures will be also substantial, as the lowest temperatures will be recorded between 35.6°F and 51.8°F.
The warmest day will be Thursday, with a maximum of 75.2°F; the lowest daytime temperature of the period will be reached on next Saturday, peaking at 51.8°F.
Updated: Oct 18, 2026 @ 04:01:28 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, changing cloud patterns will allow for periods of sunshine.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 42.8°F.
The highest temperature will be uncommonly higher than the average maximum of 56.8°F in October. The lowest temperature tomorrow will be a couple of degrees higher than the average low temperature.

On Sunday, in Otter, sunrise will be at 7:25 am and sunset at 6:14 pm (MDT).

In Otter, tomorrow, there will be 10h and 50min of daylight.