Weather forecast for 10 daysBuffalo, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 15mphSSW 194°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
Tomorrow, on Sunday, October 18, sunshine will prevail for most of the day.
Predicted temperature values will span from a refreshing 59°F down to a wintry 41°F.
Tomorrow's peak temperature is forecasted to be moderately higher than October's average high of 52.2°F.
Sunrise will be at 7:41 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 45min.

10-day overview

Daily temperatures

Warmest day: Thursday 70°C.
Coldest day: Sunday 25.10. 43°C.

Chance of precipitation

Highest chance: Friday 72%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Mostly Clear
Mostly Clear
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 6mphWNW 301°
  • Humidity: 52%
  • UV index: 0
  • Sunrise: 7:40 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 59°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 15mphSSW 194°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 17mphS 184°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 11mphNW 324°
  • Humidity: 47%
  • UV index: 2
  • Sunrise: 7:44 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 16mphS 190°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphSSW 204°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:47 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 34°F
Rain
Rain
  • Precip. probability: 72%
  • Precipitation: 0.39"
  • Wind: 14mphWNW 300°
  • Humidity: 71%
  • UV index: 1
  • Sunrise: 7:48 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 12mphWNW 285°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:50 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 43°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 14mphSW 221°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 7:51 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 45°F
  • 30°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 14%
  • Precipitation: 0"
  • Wind: 12mphSW 219°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 7:53 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
For the next ten days, a combination of sunny, overcast and rain-soaked weather is forecasted.
With a 72% probability, rainfall is forecasted only for Friday. Expected precipitation will be light at 0.39".
Temperature differences will be noticeable in the upcoming days. The maximum temperature will vary between 42.8°F and 69.8°F, while the nightly low temperatures will show also a considerable swing, as temperatures overnight will fluctuate from 30.2°F up to 46.4°F.
Expect the warmest day on Thursday, with temperatures peaking at 69.8°F; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 42.8°F.
Updated: Oct 18, 2026 @ 05:18:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Tomorrow, blue skies and warm sunshine will define the conditions.

Tomorrow, the highest temperature will be 59°F, while the lowest temperature will be 41°F.
The maximum temperature will be a few degrees higher than the average highest temperature of 52.2°F in October. The lowest temperature tomorrow will be also a couple of degrees higher than the average low temperature.

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

In Buffalo, the length of the day tomorrow will be 10h and 45min.