Weather forecast for 10 daysBynum, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 72°F
  • 39°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 22mphSW 227°
  • Humidity: 24%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
On Saturday, in Bynum, mainly sunny skies with occasional strong gusts are expected.
The day will see a remarkable high of an agreeable 71.6°F, sharply contrasting with a low of a wintry 39.2°F.
Today, the temperature will be higher and more consistent with September's typical high of 68.2°F than with October's 52.3°F.
Sunrise was at 7:51 am and sunset will be at 6:37 pm; the daylight will last for 10h and 45min.

Sunday Oct 18, 2026

  • 57°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSSE 156°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
On Sunday, in Bynum, sunshine will likely continue with scattered clouds at most.
Temperatures are anticipated to range from a maximum of a refreshing 57.2°F to a minimum of a wintry 33.8°F.
Tomorrow's highest temperature will be a couple of degrees higher than the average October maximum of 52.3°F.
Sunrise will be at 7:53 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 42min.

10-day overview

Daily temperatures

Warmest day: today 72°C.
Coldest day: Monday 26.10. 41°C.

Chance of precipitation

Highest chance: Sunday 25.10. 40%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 72°F
  • 39°F
Mostly Sunny / Wind
Mostly Sunny / Wind
  • Precip. probability: 0%
  • Precipitation: 0"
  • Wind: 22mphSW 227°
  • Humidity: 24%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 57°F
  • 34°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSSE 156°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 64°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 9mphS 175°
  • Humidity: 56%
  • UV index: 2
  • Sunrise: 7:54 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 55°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 9mphNNW 347°
  • Humidity: 55%
  • UV index: 3
  • Sunrise: 7:56 am MDT
  • Sunset: 6:31 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 43°F
Sunny
Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSSW 194°
  • Humidity: 48%
  • UV index: 2
  • Sunrise: 7:57 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 43°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0.04"
  • Wind: 9mphSW 218°
  • Humidity: 49%
  • UV index: 2
  • Sunrise: 7:59 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 50°F
  • 30°F
AM Showers
AM Showers
  • Precip. probability: 31%
  • Precipitation: 0.04"
  • Wind: 16mphWNW 289°
  • Humidity: 68%
  • UV index: 2
  • Sunrise: 8:00 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 43°F
  • 28°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 11%
  • Precipitation: 0"
  • Wind: 11mphWSW 244°
  • Humidity: 63%
  • UV index: 2
  • Sunrise: 8:02 am MDT
  • Sunset: 6:24 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 43°F
  • 28°F
AM Snow Showers
AM Snow Showers
  • Precip. probability: 40%
  • Precipitation: 0.08"
  • Wind: 10mphWNW 292°
  • Humidity: 66%
  • UV index: 2
  • Sunrise: 8:03 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 41°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 13%
  • Precipitation: 0"
  • Wind: 10mphWSW 255°
  • Humidity: 69%
  • UV index: 2
  • Sunrise: 8:05 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
Over the course of the next ten days, expect shifting weather, and a mix of dull, sunny, rain-filled and snowy weather is expected.
With a probability of 31%, rainfall is anticipated only on Friday. The precipitation will be minimal at 0.08".
With a probability of 40%, snowfall is forecasted only for next Sunday. The precipitation will be minimal at 0.08".
Significant changes in temperature are expected throughout the forecast window. Forecast highs will fluctuate between 41°F and 71.6°F, while the fluctuation in night temperatures will be also significant, as nighttime lows are forecast to fall between 28.4°F and 42.8°F.
The warmest day is today, with a maximum temperature of 71.6°F; next Monday will be the coldest day, with the highest temperature of 41°F.
Updated: Oct 17, 2026 @ 15:25:08 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Bynum, strong wind gusts will accompany mostly sunny skies.

Today, the highest temperature will be 71.6°F, while the lowest temperature will be 39.2°F.
Today, the highest temperature will be noticeably higher than the average maximum of 52.3°F in October. The lowest temperature will be in line with the average low of 35.8°F.

On Saturday, in Bynum, sunrise was at 7:51 am and sunset will be at 6:37 pm (MDT).

In Bynum, the length of the day today will be 10h and 45min.

On Sunday, bright and sunny weather is expected.

Tomorrow, the maximum temperature in Bynum will be 57.2°F, while the minimum temperature will be 33.8°F.
The highest temperature will be relatively higher than the average maximum of 52.3°F in October. The lowest temperature will be in line with the average low of 35.8°F.

On Sunday, in Bynum, sunrise will be at 7:53 am and sunset at 6:35 pm (MDT).

In Bynum, tomorrow, there will be 10h and 42min of daylight.