Weather forecast for 10 daysColumbus, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSSW 212°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
On Saturday, October 17, mostly sunny and dry conditions will continue.
Temperature changes will be considerable, from a high of a warm 73.4°F to a low of a cold 41°F.
The predicted high will feel warmer, consistent with September's climate average of 72°F.
Sunrise was at 7:36 am and sunset will be at 6:28 pm; the daylight will last for 10h and 52min.

Sunday Oct 18, 2026

  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphENE 68°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:37 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
On Sunday, October 18, occasional cloudiness will be present, but there will still be plenty of sun.
The day's temperature range will span from a high of an enjoyable 62.6°F to a minimum of a wintry 35.6°F.
Tomorrow, the expected high temperature will be a couple of degrees higher than the average October peak of 55.6°F.
Sunrise will be at 7:37 am and sunset at 6:26 pm; tomorrow's daylight will last for 10h and 49min.

10-day overview

Daily temperatures

Warmest day: today 73°C.
Coldest period: Saturday - Sunday 52°C.

Chance of precipitation

Highest chance: Friday 68%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 73°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 10mphSSW 212°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 12mphENE 68°
  • Humidity: 45%
  • UV index: 3
  • Sunrise: 7:37 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 39°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSSW 205°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 8mphWNW 288°
  • Humidity: 42%
  • UV index: 3
  • Sunrise: 7:40 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphS 190°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 11mphSSW 203°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:43 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 64°F
  • 39°F
Rain
Rain
  • Precip. probability: 68%
  • Precipitation: 0.43"
  • Wind: 16mphW 276°
  • Humidity: 59%
  • UV index: 2
  • Sunrise: 7:44 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphNW 324°
  • Humidity: 58%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 52°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 12mphWNW 287°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:47 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 9mphW 265°
  • Humidity: 55%
  • UV index: 2
  • Sunrise: 7:48 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
cloud-filled, clear and showery weather is anticipated.
With a 68% probability, rainfall is expected only on Friday. The precipitation will be moderate at 0.43".
Temperature differences will be noticeable in the upcoming days. Maximum temperatures are forecasted between 51.8°F and 73.4°F, while the lowest night temperatures will vary also significantly, as the lowest temperatures will be recorded between 33.8°F and 46.4°F.
The warmest day is today, with a maximum temperature of 73.4°F; with a maximum temperature of 51.8°F, next Saturday and Sunday will be the coldest days.
Updated: Oct 17, 2026 @ 13:52:42 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, mainly sunny conditions will dominate the day.

Today, the maximum temperature will be 73.4°F, while the minimum temperature will be 41°F.
The maximum temperature will be notably higher than the average highest temperature of 55.6°F in October. The lowest temperature will be in line with the average low of 37.9°F.

On Saturday, in Columbus, sunrise was at 7:36 am and sunset will be at 6:28 pm (MDT).

Today, the daylight will last for 10h and 52min.

Tomorrow, in Columbus, sun and clouds will share the sky, creating a partly cloudy day.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 35.6°F.
The maximum temperature will be moderately higher than the average highest temperature of 55.6°F in October. The lowest temperature will be in line with the average low of 37.9°F.

On Sunday, in Columbus, sunrise will be at 7:37 am and sunset at 6:26 pm (MDT).

In Columbus, the length of the day tomorrow will be 10h and 49min.