Weather forecast for 10 daysUlm, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNE 54°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
Today, sunshine will lead the day, with clouds making only brief appearances.
The temperature variation is forecasted to range from a maximum of a breezy 62.6°F to a minimum of an icy 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 70.5°F.
Sunrise was at 7:49 am and sunset will be at 6:32 pm; the daylight will last for 10h and 43min.

10-day overview

Daily temperatures

Maximum temperature: 70°C.
Coldest period: Monday - Tuesday 39°C.

Chance of precipitation

Highest chance: Friday 66%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 63°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNE 54°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 200°
  • Humidity: 48%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 59°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 7mphWNW 298°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:52 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 70°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 10mphSSW 203°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 6%
  • Precipitation: 0.12"
  • Wind: 9mphSW 217°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 52°F
  • 34°F
Rain
Rain
  • Precip. probability: 66%
  • Precipitation: 0.2"
  • Wind: 14mphW 281°
  • Humidity: 80%
  • UV index: 1
  • Sunrise: 7:56 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSW 221°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:58 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 50°F
  • 32°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 11mphSW 218°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:59 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 39°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 10mphWNW 294°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 8:01 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 39°F
  • 30°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 11mphW 259°
  • Humidity: 81%
  • UV index: 2
  • Sunrise: 8:02 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
For the next ten days, a combination of cloudy, clear and damp weather is predicted.
With a probability of 66%, rainfall is expected only on Friday. The precipitation will be light at 0.2".
Temperature fluctuation will be noticeable in the next ten days. Maximum temperatures are forecasted between 39.2°F and 69.8°F, while the variation in nighttime lows will be also notably wide, as the lowest temperatures will be recorded between 28.4°F and 46.4°F.
The warmest days will be Monday, Wednesday and Thursday, with a maximum of 69.8°F; the coldest days will be next Monday and Tuesday, with a maximum of 39.2°F.
Updated: Oct 18, 2026 @ 15:09:14 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Ulm, mostly sunny skies are expected.

Today, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
The highest temperature will be moderately higher than the average maximum of 54.5°F in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Ulm, sunrise was at 7:49 am and sunset will be at 6:32 pm (MDT).

Today, the daylight will last for 10h and 43min.