Weather forecast for 10 daysAugusta, MT

Weather forecast for the weekend

Sunday Oct 18, 2026

  • 57°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphE 83°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:36 pm MDT
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Today, on Sunday, October 18, expect partly sunny skies with periods of cloudiness.
The temperature will vary between a maximum of a refreshing 57.2°F and a minimum of a wintry 33.8°F.
The daily maximum temperature is predicted to be a couple of degrees higher than October's climate average of 52.3°F.
Sunrise will be at 7:53 am and sunset at 6:36 pm; the daylight will last for 10h and 43min.

10-day overview

Daily temperatures

Maximum temperature: 68°C.
Coldest day: Sunday 25.10. 34°C.

Chance of precipitation

Highest chance: Friday 50%.

Long-term weather forecast

  • Sunday
  • Oct 18, 2026
  • 57°F
  • 34°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 8mphE 83°
  • Humidity: 53%
  • UV index: 3
  • Sunrise: 7:53 am MDT
  • Sunset: 6:36 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSSW 199°
  • Humidity: 51%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:34 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 57°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 2%
  • Precipitation: 0"
  • Wind: 7mphNNE 16°
  • Humidity: 56%
  • UV index: 2
  • Sunrise: 7:55 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 68°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 4%
  • Precipitation: 0"
  • Wind: 10mphSW 215°
  • Humidity: 49%
  • UV index: 3
  • Sunrise: 7:57 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 66°F
  • 45°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 7%
  • Precipitation: 0"
  • Wind: 9mphSW 220°
  • Humidity: 52%
  • UV index: 2
  • Sunrise: 7:58 am MDT
  • Sunset: 6:29 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 46°F
  • 30°F
Showers
Showers
  • Precip. probability: 50%
  • Precipitation: 0.2"
  • Wind: 12mphWNW 287°
  • Humidity: 78%
  • UV index: 2
  • Sunrise: 8:00 am MDT
  • Sunset: 6:27 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 43°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0.12"
  • Wind: 9mphWSW 237°
  • Humidity: 65%
  • UV index: 2
  • Sunrise: 8:01 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 34°F
  • 27°F
AM Snow Showers
AM Snow Showers
  • Precip. probability: 30%
  • Precipitation: 0.04"
  • Wind: 10mphNNW 334°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 8:03 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 37°F
  • 25°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 23%
  • Precipitation: 0.04"
  • Wind: 8mphWNW 290°
  • Humidity: 75%
  • UV index: 2
  • Sunrise: 8:04 am MDT
  • Sunset: 6:22 pm MDT
  • ▼
  • Tuesday
  • Oct 27, 2026
  • 41°F
  • 27°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 15%
  • Precipitation: 0"
  • Wind: 9mphW 259°
  • Humidity: 79%
  • UV index: 2
  • Sunrise: 8:06 am MDT
  • Sunset: 6:20 pm MDT
  • ▼
An unsettled pattern is expected over the next ten days, and a combination of primarily overcast and occasionally sun-filled, rainy and snow-filled weather is predicted.
Rainfall is anticipated on Friday, Saturday and next Monday.
With a 30% probability, snowfall is predicted only for next Sunday. The precipitation will be moderate at 0.2".
Temperature differences will be noticeable across the forecast period. Highs will range from 33.8°F to 68°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 24.8°F and 44.6°F.
Monday and Wednesday, with the highest temperature of 68°F, will be the warmest days in Augusta; the lowest daytime temperature of the period will be reached on next Sunday, peaking at 33.8°F.
Updated: Oct 18, 2026 @ 06:43:01 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

Today, in Augusta, expect a mix of sun and clouds throughout the day.

Today, the maximum temperature will be 57.2°F, while the minimum temperature will be 33.8°F.
The maximum temperature today will be moderately higher than the average highest temperature in October. The lowest temperature today will be in line with the average low temperature.

On Sunday, in Augusta, sunrise will be at 7:53 am and sunset at 6:36 pm (MDT).

In Augusta, today, there will be 10h and 43min of daylight.