Weather forecast for 10 daysLodge Grass, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphE 81°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:19 pm MDT
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On Sunday, in Lodge Grass, expect plenty of sunshine and only a few scattered clouds.
Temperatures are anticipated to move from a peak of a pleasant 69.8°F to a low of a cold 37.4°F.
The temperature of 69.8°F aligns more with what is typical in September than what is normal in October.
Sunrise will be at 7:29 am and sunset at 6:19 pm; the daylight will last for 10h and 49min.

10-day overview

Daily temperatures

Warmest day: Thursday 75°C.
Coldest day: Tuesday 27.10. 50°C.

Chance of precipitation

Highest chance: Friday 74%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 70°F
  • 37°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphE 81°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphENE 58°
  • Humidity: 44%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 72°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 9mphNW 309°
  • Humidity: 39%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 72°F
  • 45°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphESE 115°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:33 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 75°F
  • 48°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNNW 346°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:35 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 37°F
Rain
Rain
  • Precip. probability: 74%
  • Precipitation: 0"
  • Wind: 12mphNW 311°
  • Humidity: 61%
  • UV index: 2
  • Sunrise: 7:36 am MDT
  • Sunset: 6:10 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0.43"
  • Wind: 9mphNNW 333°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:38 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 57°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphNE 47°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 7mphNNW 331°
  • Humidity: 64%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 50°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 8mphNW 320°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:42 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
For the next ten days, a combination of mostly clear, overcast and rainy weather is forecasted.
With a probability of 21%, rainfall is forecasted only for Saturday. Anticipated precipitation will be moderate at 0.43".
Temperature differences will be noticeable in the next ten days. The maximum temperature will vary between 50°F and 75.2°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 33.8°F up to 48.2°F.
Expect the warmest day on Thursday, with temperatures peaking at 75.2°F; the coldest day will be next Tuesday, with a maximum of 50°F.
Updated: Oct 18, 2026 @ 07:58:56 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, sunshine will take center stage, with just faint traces of clouds.

Today, the highest temperature will be 69.8°F, while the lowest temperature will be 37.4°F.
The highest temperature will be uncommonly higher than the average maximum of 57°F in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Lodge Grass, sunrise will be at 7:29 am and sunset at 6:19 pm (MDT).

In Lodge Grass, today, there will be 10h and 49min of daylight.