Weather forecast for 10 daysSun Prairie, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 79°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:32 pm MDT
- details ▼
Today, patchy clouds will move across the sky, allowing for sunshine at times.
The highest forecasted temperature is an enjoyable 60.8°F, while the lowest temperature will be a cold 35.6°F.
Anticipated temperatures are trending a few degrees higher than October's climate norm of 54.5°F.
Sunrise will be at 7:49 am and sunset at 6:32 pm; the daylight will last for 10h and 43min.
The highest forecasted temperature is an enjoyable 60.8°F, while the lowest temperature will be a cold 35.6°F.
Anticipated temperatures are trending a few degrees higher than October's climate norm of 54.5°F.
Sunrise will be at 7:49 am and sunset at 6:32 pm; the daylight will last for 10h and 43min.
10-day overview
Daily temperatures
Maximum temperature: 70°C.
Coldest day: Monday 26.10. 36°C.
Coldest day: Monday 26.10. 36°C.
Chance of precipitation
Highest chance: Friday 72%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 36°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 11mphE 79°
- Humidity: 47%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 70°F
- 39°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSSW 197°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:50 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 59°F
- 37°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphNW 312°
- Humidity: 58%
- UV index: 2
- Sunrise: 7:52 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 46°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 9mphSSW 205°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 46°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 10mphSW 219°
- Humidity: 51%
- UV index: 2
- Sunrise: 7:55 am MDT
- Sunset: 6:25 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 52°F
- 34°F
Rain
- Precip. probability: 72%
- Precipitation: 0.12"
- Wind: 14mphWNW 286°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:56 am MDT
- Sunset: 6:23 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 43°F
- 32°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0.16"
- Wind: 11mphWSW 237°
- Humidity: 67%
- UV index: 2
- Sunrise: 7:58 am MDT
- Sunset: 6:21 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 39°F
- 30°F
Mostly Cloudy
- Precip. probability: 18%
- Precipitation: 0"
- Wind: 12mphNW 312°
- Humidity: 75%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 36°F
- 28°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0"
- Wind: 11mphW 269°
- Humidity: 74%
- UV index: 2
- Sunrise: 8:01 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 39°F
- 32°F
Partly Cloudy
- Precip. probability: 22%
- Precipitation: 0"
- Wind: 11mphWSW 251°
- Humidity: 83%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:16 pm MDT
- details ▼
For the next ten days, a combination of primarily overcast and occasionally sun-filled and rainy weather is forecasted.
With a probability of 72%, rainfall is expected only on Friday. The precipitation will be light at 0.16".
Expect a substantial fluctuation in daytime highs over the next several days. Highs will range from 35.6°F to 69.8°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 28.4°F and 46.4°F.
Monday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; expect the coldest day on next Monday with a high of 35.6°F.
With a probability of 72%, rainfall is expected only on Friday. The precipitation will be light at 0.16".
Expect a substantial fluctuation in daytime highs over the next several days. Highs will range from 35.6°F to 69.8°F, while the lowest nightly temperature differences will be also quite pronounced, as nighttime lows are forecast to fall between 28.4°F and 46.4°F.
Monday and Thursday, with the highest temperature of 69.8°F, will be the warmest days; expect the coldest day on next Monday with a high of 35.6°F.
Updated: Oct 18, 2026 @ 07:25:21 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
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.
Today, the highest temperature will be 60.8°F, while the lowest temperature will be 35.6°F.
The maximum temperature today will be relatively higher than the average highest temperature in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature today will be relatively higher than the average highest temperature in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Sun Prairie, sunrise will be at 7:49 am and sunset at 6:32 pm (MDT).
In Sun Prairie, Montana, the length of the day today will be 10h and 43min.
