Weather forecast for 10 daysForsyth, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphNNE 30°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
Tomorrow, on Sunday, expect partly sunny skies with periods of cloudiness.
Temperature span will be from a high of a breezy 64.4°F to a low of a wintry 39.2°F.
Tomorrow's temperature peak is set to be a few degrees higher than the typical October high of 56.3°F.
Sunrise will be at 7:28 am and sunset at 6:15 pm; tomorrow's daylight will last for 10h and 47min.

10-day overview

Daily temperatures

Maximum temperature: 72°C.
Minimum temperature: 52°C.

Chance of precipitation

Highest chance: Friday 75%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 39°F
Clear
Clear
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphW 273°
  • Humidity: 56%
  • UV index: 0
  • Sunrise: 7:27 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphNNE 30°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:28 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 72°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 11mphSE 134°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:29 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphWNW 300°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 41°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphESE 105°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 18%
  • Precipitation: 0"
  • Wind: 6mphW 281°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:08 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 41°F
PM Showers
PM Showers
  • Precip. probability: 75%
  • Precipitation: 0.35"
  • Wind: 12mphNW 309°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:35 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 15mphNW 313°
  • Humidity: 62%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:04 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 11mphENE 62°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:38 am MDT
  • Sunset: 6:03 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 9mphN 359°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:39 am MDT
  • Sunset: 6:01 pm MDT
  • ▼
Over the next ten days, a mix of gloomy, mostly clear and damp weather is forecasted.
With a 75% probability, rainfall is anticipated only on Friday. The precipitation will be light at 0.35".
Temperature differences will be noticeable in the next ten days. Highs will range from 51.8°F to 71.6°F, while the lowest temperature will be between 33.8°F and 44.6°F.
With a maximum temperature of 71.6°F, Monday and Thursday will be the warmest days; the coldest days will be next Saturday and Monday, with a maximum of 51.8°F.
Updated: Oct 18, 2026 @ 01:54:53 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, in Forsyth, expect a partly sunny afternoon with variable cloud cover.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 39.2°F.
The maximum temperature will be moderately higher than the average highest temperature of 56.3°F in October. The lowest temperature will be in line with the average low of 41.5°F.

On Sunday, in Forsyth, sunrise will be at 7:28 am and sunset at 6:15 pm (MDT).

Tomorrow, the daylight will last for 10h and 47min.