Weather forecast for 10 daysGarneill, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphS 188°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
Today, in Garneill, clouds will come and go, but expect bright periods in between.
The temperature will vary between a maximum of a moderate 59°F and a minimum of an icy 41°F.
The maximum temperature for today will be moderately higher than the regular high of 52.5°F in October.
Sunrise will be at 7:41 am and sunset at 6:26 pm; the daylight will last for 10h and 45min.

10-day overview

Daily temperatures

Warmest day: Thursday 68°C.
Coldest period: Monday - Tuesday 41°C.

Chance of precipitation

Highest chance: Friday 76%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 16mphS 188°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphS 182°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:42 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphNNW 327°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 46°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 15mphS 188°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 68°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 193°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 52°F
  • 32°F
Rain
Rain
  • Precip. probability: 76%
  • Precipitation: 0"
  • Wind: 17mphNW 316°
  • Humidity: 72%
  • UV index: 2
  • Sunrise: 7:48 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0.35"
  • Wind: 13mphW 273°
  • Humidity: 59%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 46°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 14mphSSW 206°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:51 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 41°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 12mphWSW 244°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 7:52 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 41°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 12%
  • Precipitation: 0"
  • Wind: 12mphW 271°
  • Humidity: 73%
  • UV index: 2
  • Sunrise: 7:54 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
cloud-filled, mostly clear and rain-filled weather is expected.
With a 13% probability, rainfall is expected only on Saturday. The precipitation will be light at 0.35".
Expect a substantial fluctuation in daytime highs in the coming days. The temperature is expected to swing from 41°F up to 68°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 30.2°F and 46.4°F.
The warmest day will be Thursday, with a maximum of 68°F; with a maximum temperature of 41°F, next Monday and Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 07:50:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Garneill, moderate cloud cover will mix with sunshine throughout the day.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 41°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. The lowest temperature will be also slightly warmer than the average low of 34.9°F.

On Sunday, in Garneill, sunrise will be at 7:41 am and sunset at 6:26 pm (MDT).

In Garneill, Montana, the length of the day today will be 10h and 45min.