Weather forecast for 10 daysHarlowton, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 59°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSE 158°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
On Sunday, in Harlowton, a glowing sky and minimal clouds are expected.
The anticipated temperature range extends from a high of a refreshing 59°F to a low of a wintry 33.8°F.
Today, the maximum temperature is forecasted to be relatively higher than October's climate norm of 52.5°F.
Sunrise will be at 7:41 am and sunset at 6:27 pm; the daylight will last for 10h and 46min.

10-day overview

Daily temperatures

Warmest day: Thursday 70°C.
Coldest day: Monday 26.10. 43°C.

Chance of precipitation

Highest chance: Friday 65%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 59°F
  • 34°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 14mphSSE 158°
  • Humidity: 46%
  • UV index: 3
  • Sunrise: 7:41 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 66°F
  • 41°F
Sunny
Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSW 225°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:42 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 68°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 13mphNW 324°
  • Humidity: 41%
  • UV index: 3
  • Sunrise: 7:44 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 64°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 9mphSSW 210°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:45 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 70°F
  • 46°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphSW 223°
  • Humidity: 50%
  • UV index: 3
  • Sunrise: 7:46 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 54°F
  • 34°F
Rain / Wind
Rain / Wind
  • Precip. probability: 65%
  • Precipitation: 0.24"
  • Wind: 21mphWNW 294°
  • Humidity: 64%
  • UV index: 2
  • Sunrise: 7:48 am MDT
  • Sunset: 6:18 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 14mphW 267°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:17 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 48°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 9%
  • Precipitation: 0"
  • Wind: 12mphSW 230°
  • Humidity: 63%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:15 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 43°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 19%
  • Precipitation: 0"
  • Wind: 11mphW 268°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 7:52 am MDT
  • Sunset: 6:13 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 45°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 12mphW 274°
  • Humidity: 67%
  • UV index: 2
  • Sunrise: 7:54 am MDT
  • Sunset: 6:12 pm MDT
  • ▼
cloudy, sun-filled and showery weather is expected.
With a probability of 65%, rainfall is forecasted only for Friday. Predicted precipitation will be light at 0.24".
The temperature will vary considerably in the upcoming period. The maximum temperature will vary between 42.8°F and 69.8°F, while the difference in minimum temperatures will be also substantial, as nighttime lows are forecast to fall between 28.4°F and 46.4°F.
Thursday is expected to be the warmest, reaching up to 69.8°F; next Monday will be the coldest day, with the highest temperature of 42.8°F.
Updated: Oct 18, 2026 @ 11:33:47 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, bright conditions and mild breezes are expected.

Today, the maximum temperature will be 59°F, while the minimum temperature will be 33.8°F.
The maximum temperature today will be a few degrees higher than the average highest temperature in October. Today, the lowest temperature will be in line with the average low temperature.

On Sunday, in Harlowton, sunrise will be at 7:41 am and sunset at 6:27 pm (MDT).

In Harlowton, the length of the day today will be 10h and 46min.