Weather forecast for 10 daysPolaris, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 57°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSW 198°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:42 pm MDT
- details ▼
Today, in Polaris, bright conditions and mild breezes are expected.
The peak daytime temperature will touch a moderate 57.2°F, while the nighttime temperature will descend to a freezing 30.2°F.
Forecasts suggest the maximum temperature will be slightly warmer than October's average of 49.3°F.
Sunrise was at 7:53 am and sunset will be at 6:42 pm; the daylight will last for 10h and 49min.
The peak daytime temperature will touch a moderate 57.2°F, while the nighttime temperature will descend to a freezing 30.2°F.
Forecasts suggest the maximum temperature will be slightly warmer than October's average of 49.3°F.
Sunrise was at 7:53 am and sunset will be at 6:42 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: tomorrow 59°C.
Coldest day: Tuesday 27.10. 37°C.
Coldest day: Tuesday 27.10. 37°C.
Chance of precipitation
Highest chance: Friday 67%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 57°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphSSW 198°
- Humidity: 35%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 59°F
- 30°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 7mphSSE 160°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:54 am MDT
- Sunset: 6:40 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 57°F
- 34°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphSSE 156°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 55°F
- 36°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphS 173°
- Humidity: 70%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 54°F
- 34°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.16"
- Wind: 7mphS 173°
- Humidity: 76%
- UV index: 3
- Sunrise: 7:58 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 39°F
- 21°F
Rain / Snow Showers
- Precip. probability: 67%
- Precipitation: 0.12"
- Wind: 11mphWNW 301°
- Humidity: 93%
- UV index: 2
- Sunrise: 7:59 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 41°F
- 25°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 6mphSSW 208°
- Humidity: 75%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 46°F
- 25°F
Partly Cloudy
- Precip. probability: 8%
- Precipitation: 0"
- Wind: 7mphS 182°
- Humidity: 71%
- UV index: 3
- Sunrise: 8:02 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 23°F
Partly Cloudy
- Precip. probability: 21%
- Precipitation: 0.08"
- Wind: 7mphS 172°
- Humidity: 72%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:28 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 37°F
- 19°F
AM Snow Showers
- Precip. probability: 31%
- Precipitation: 0.12"
- Wind: 7mphWSW 251°
- Humidity: 76%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:27 pm MDT
- details ▼
gloomy, mostly clear and snowy and cold weather is expected.
Rainfall is expected on Thursday and next Monday.
Snowfall is expected on Friday and next Tuesday. With light precipitation of 0.16", most snowfall is expected on Thursday.
Substantial differences in temperature are forecasted throughout the forecast window. Highs will range from 37.4°F to 59°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 19.4°F and 35.6°F.
With the highest temperature of 59°F, Monday will be the warmest day; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 37.4°F.
Rainfall is expected on Thursday and next Monday.
Snowfall is expected on Friday and next Tuesday. With light precipitation of 0.16", most snowfall is expected on Thursday.
Substantial differences in temperature are forecasted throughout the forecast window. Highs will range from 37.4°F to 59°F, while there will be also a marked difference in overnight low temperatures, as nighttime lows are forecast to fall between 19.4°F and 35.6°F.
With the highest temperature of 59°F, Monday will be the warmest day; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 37.4°F.
Updated: Oct 18, 2026 @ 17:27:07 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, in Polaris, dry and sunny weather is expected throughout the day.
Today, the highest temperature will be 57.2°F, while the lowest temperature will be 30.2°F.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
Today, the highest temperature will be a few degrees higher than the average maximum temperature in October. The lowest temperature today will be in line with the average low temperature.
On Sunday, in Polaris, sunrise was at 7:53 am and sunset will be at 6:42 pm (MDT).
Today, the daylight will last for 10h and 49min.
