Weather forecast for 10 daysDarby, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 64°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNE 22°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:58 am MDT
  • Sunset: 6:45 pm MDT
  • ▼
Tomorrow, expect partly sunny skies with periods of cloudiness.
A significant variation in temperature is anticipated, ranging from a high of a breezy 64.4°F to a low of an icy 33.8°F.
The forecast high of 64.4°F aligns more closely with September's typical high of 66.2°F than with October's usual 50°F.
Sunrise will be at 7:58 am and sunset at 6:45 pm; tomorrow's daylight will last for 10h and 47min.

10-day overview

Daily temperatures

Warmest day: Monday 68°C.
Coldest day: Friday 45°C.

Chance of precipitation

Highest chance: Friday 67%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • min.
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 2mphSW 215°
  • Humidity: 78%
  • UV index: 0
  • Sunrise: 7:56 am MDT
  • Sunset: 6:47 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 64°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 4mphNNE 22°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:58 am MDT
  • Sunset: 6:45 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 36°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 7mphSSE 163°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:59 am MDT
  • Sunset: 6:43 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 66°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 4mphENE 63°
  • Humidity: 60%
  • UV index: 2
  • Sunrise: 8:00 am MDT
  • Sunset: 6:41 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 39°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 8%
  • Precipitation: 0"
  • Wind: 4mphS 176°
  • Humidity: 65%
  • UV index: 3
  • Sunrise: 8:02 am MDT
  • Sunset: 6:40 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 63°F
  • 39°F
PM Showers
PM Showers
  • Precip. probability: 56%
  • Precipitation: 0.28"
  • Wind: 4mphSSW 197°
  • Humidity: 77%
  • UV index: 3
  • Sunrise: 8:03 am MDT
  • Sunset: 6:38 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 45°F
  • 28°F
Showers
Showers
  • Precip. probability: 67%
  • Precipitation: 0.16"
  • Wind: 7mphWNW 299°
  • Humidity: 93%
  • UV index: 2
  • Sunrise: 8:05 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 46°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 4mphS 188°
  • Humidity: 75%
  • UV index: 3
  • Sunrise: 8:06 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 50°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 24%
  • Precipitation: 0"
  • Wind: 4mphESE 112°
  • Humidity: 80%
  • UV index: 3
  • Sunrise: 8:07 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 50°F
  • 28°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 17%
  • Precipitation: 0"
  • Wind: 4mphE 99°
  • Humidity: 74%
  • UV index: 3
  • Sunrise: 8:09 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
During the ten-day period, dull, sun-filled and showery weather is anticipated.
Rainfall is anticipated on Thursday and Friday.
Expect a substantial fluctuation in daytime highs in the next ten days. Forecast highs will fluctuate between 44.6°F and 68°F, while the lowest temperature will be between 28.4°F and 39.2°F.
Expect the warmest day on Monday, with temperatures peaking at 68°F; the coldest day will be Friday, with a maximum of 44.6°F.
Updated: Oct 18, 2026 @ 05:24:58 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Sunday, clouds will come and go, but expect bright periods in between.

Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 33.8°F.
Tomorrow, the maximum temperature will be significantly higher than the average highest temperature of 50°F in October. Tomorrow, the lowest temperature will be in line with the average low temperature.

On Sunday, in Darby, sunrise will be at 7:58 am and sunset at 6:45 pm (MDT).

In Darby, tomorrow, there will be 10h and 47min of daylight.