Weather forecast for 10 daysHardin, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 77°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphW 261°
  • Humidity: 29%
  • UV index: 3
  • Sunrise: 7:30 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
Today, on Saturday, October 17, a pleasant, mostly sunny outlook is in place.
The highest daytime temperature will touch a warm 77°F, creating a significant contrast with the forecasted nighttime low of a wintry 35.6°F.
It will feel warmer than usual, as the temperature reflects September's normal high of 75.2°F, not October's.
Sunrise was at 7:30 am and sunset will be at 6:21 pm; the daylight will last for 10h and 51min.

Sunday Oct 18, 2026

  • 66°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphNE 49°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
Tomorrow, changing cloud patterns will allow for periods of sunshine.
A substantial temperature fluctuation from a comfortable 66.2°F at its peak to a cold 35.6°F at its lowest point is anticipated.
The expected peak temperature today will be a few degrees higher than the average October maximum of 58.1°F.
Sunrise will be at 7:31 am and sunset at 6:19 pm; tomorrow's daylight will last for 10h and 48min.

10-day overview

Daily temperatures

Warmest day: today 77°C.
Minimum temperature: 54°C.

Chance of precipitation

Highest chance: Friday 63%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 77°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphW 261°
  • Humidity: 29%
  • UV index: 3
  • Sunrise: 7:30 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 66°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 11mphNE 49°
  • Humidity: 47%
  • UV index: 3
  • Sunrise: 7:31 am MDT
  • Sunset: 6:19 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 70°F
  • 37°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 6mphNE 47°
  • Humidity: 52%
  • UV index: 3
  • Sunrise: 7:32 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 70°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 9mphWNW 297°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:34 am MDT
  • Sunset: 6:16 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 6mphENE 65°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:35 am MDT
  • Sunset: 6:14 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 72°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphW 278°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:36 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 66°F
  • 39°F
PM Showers
PM Showers
  • Precip. probability: 63%
  • Precipitation: 0.43"
  • Wind: 13mphWNW 287°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 7:38 am MDT
  • Sunset: 6:11 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 54°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 22%
  • Precipitation: 0"
  • Wind: 10mphNNW 333°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:39 am MDT
  • Sunset: 6:09 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 55°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 9mphENE 71°
  • Humidity: 60%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:07 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 54°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 7mphWNW 300°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 7:42 am MDT
  • Sunset: 6:06 pm MDT
  • ▼
During the ten-day period, overcast, sunny and rain-soaked weather is anticipated.
With a probability of 63%, rainfall is forecasted only for Friday. Predicted precipitation will be moderate at 0.43".
There will be a considerable variation in temperature in the upcoming days. The temperature is expected to swing from 53.6°F up to 77°F, while the forecast minimum temperature falls between 33.8°F and 44.6°F.
Today is the warmest day, with a maximum temperature of 77°F; with a maximum temperature of 53.6°F, next Saturday and Monday will be the coldest days in Hardin.
Updated: Oct 17, 2026 @ 17:20:42 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, mainly sunny skies with just a few high clouds are anticipated.

Today, the maximum temperature will be 77°F, while the minimum temperature will be 35.6°F.
The highest temperature today will be noticeably higher than the average maximum of 58.1°F in October. The lowest temperature will be relatively lower than the average low of 40.6°F.

On Saturday, in Hardin, sunrise was at 7:30 am and sunset will be at 6:21 pm (MDT).

In Hardin, today, there will be 10h and 51min of daylight.

Tomorrow, in Hardin, clouds and sunshine will create a dynamic sky throughout the day.

Tomorrow, the maximum temperature will be 66.2°F, while the minimum temperature will be 35.6°F.
The highest temperature will be a couple of degrees higher than the average maximum of 58.1°F in October. The lowest temperature will be also relatively lower than the average low of 40.6°F.

On Sunday, in Hardin, sunrise will be at 7:31 am and sunset at 6:19 pm (MDT).

In Hardin, tomorrow, there will be 10h and 48min of daylight.