Weather forecast for 10 daysZortman, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 85°
  • Humidity: 38%
  • UV index: 3
  • Sunrise: 7:38 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
Today, on Sunday, October 18, expect a mix of sun and clouds throughout the day.
Expected temperature values will span from a fresh 53.6°F down to an icy 33.8°F.
The anticipated temperature peak will correspond with October's average maximum of 54.3°F.
Sunrise was at 7:38 am and sunset will be at 6:20 pm; the daylight will last for 10h and 42min.

10-day overview

Daily temperatures

Warmest day: Thursday 68°C.
Coldest day: Tuesday 27.10. 37°C.

Chance of precipitation

Highest chance: Friday 64%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphE 85°
  • Humidity: 38%
  • UV index: 3
  • Sunrise: 7:38 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 63°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphSSE 157°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 59°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 8mphN 350°
  • Humidity: 53%
  • UV index: 2
  • Sunrise: 7:41 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 61°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 12mphSSE 154°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 7:42 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphS 183°
  • Humidity: 52%
  • UV index: 2
  • Sunrise: 7:44 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 28°F
Showers
Showers
  • Precip. probability: 64%
  • Precipitation: 0.2"
  • Wind: 19mphNW 305°
  • Humidity: 76%
  • UV index: 1
  • Sunrise: 7:45 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 43°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 13mphW 280°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:47 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 45°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 11mphESE 109°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 7:48 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 41°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphNNE 30°
  • Humidity: 74%
  • UV index: 2
  • Sunrise: 7:50 am MDT
  • Sunset: 6:05 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 37°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0.24"
  • Wind: 11mphNNW 333°
  • Humidity: 88%
  • UV index: 2
  • Sunrise: 7:51 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
Models point to a combination of overcast, sun-filled and showery weather is expected.
Rainfall is expected on Friday and next Tuesday.
There will be a considerable variation in temperature in the upcoming days. Highs will range from 37.4°F to 68°F, while the lowest night temperatures will vary also significantly, as temperatures overnight will fluctuate from 24.8°F up to 44.6°F.
With the highest temperature of 68°F, Thursday will be the warmest day; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 37.4°F.
Updated: Oct 18, 2026 @ 15:48:39 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, a mix of clouds and blue sky is expected.

Today, the highest temperature will be 53.6°F, while the lowest temperature will be 33.8°F.
The highest temperature will be in line with the average maximum of 54.3°F in October. The lowest temperature will be a few degrees lower than the average low of 39.4°F.

On Sunday, in Zortman, sunrise was at 7:38 am and sunset will be at 6:20 pm (MDT).

In Zortman, the length of the day today will be 10h and 42min.