Weather forecast for 10 daysArlee, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNW 348°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:43 pm MDT
- details ▼
Today, on Sunday, October 18, sunshine is expected with little to no cloud cover.
Temperatures are predicted to peak at a comfortable 62.6°F and drop to a minimum of an icy 39.2°F.
Today, the temperature forecast of 62.6°F will better match September's climate average than that of October.
Sunrise was at 7:59 am and sunset will be at 6:43 pm; the daylight will last for 10h and 44min.
Temperatures are predicted to peak at a comfortable 62.6°F and drop to a minimum of an icy 39.2°F.
Today, the temperature forecast of 62.6°F will better match September's climate average than that of October.
Sunrise was at 7:59 am and sunset will be at 6:43 pm; the daylight will last for 10h and 44min.
10-day overview
Daily temperatures
Maximum temperature: 66°C.
Coldest day: Tuesday 27.10. 43°C.
Coldest day: Tuesday 27.10. 43°C.
Chance of precipitation
Highest chance: Friday 55%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 63°F
- 39°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNW 348°
- Humidity: 57%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:43 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSSE 158°
- Humidity: 58%
- UV index: 3
- Sunrise: 8:00 am MDT
- Sunset: 6:41 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphN 2°
- Humidity: 62%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:39 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Mostly Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphSSE 158°
- Humidity: 57%
- UV index: 3
- Sunrise: 8:03 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.2"
- Wind: 4mphSSW 199°
- Humidity: 68%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:36 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 48°F
- 32°F
Showers
- Precip. probability: 55%
- Precipitation: 0.12"
- Wind: 7mphW 277°
- Humidity: 88%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 32°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 5mphSSW 204°
- Humidity: 73%
- UV index: 2
- Sunrise: 8:08 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 30°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0.08"
- Wind: 6mphSE 131°
- Humidity: 75%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:31 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 28°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphN 9°
- Humidity: 81%
- UV index: 2
- Sunrise: 8:11 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 28°F
Rain / Snow
- Precip. probability: 34%
- Precipitation: 0.24"
- Wind: 6mphNNW 328°
- Humidity: 86%
- UV index: 2
- Sunrise: 8:12 am MDT
- Sunset: 6:27 pm MDT
- details ▼
The next ten days will bring unstable conditions, and a mix of cloudy, dry and sunny, rain-filled and snow-blanketed weather is predicted.
Rainfall is anticipated on Thursday, Friday and next Sunday.
With a 34% probability, snowfall is forecasted only for next Tuesday. Expected precipitation will be moderate at 0.24".
Expect a substantial fluctuation in daytime highs over the next several days. Maximum temperatures are forecasted between 42.8°F and 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 28.4°F and 42.8°F.
Monday and Wednesday, with the highest temperature of 66.2°F, will be the warmest days in Arlee; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 42.8°F.
Rainfall is anticipated on Thursday, Friday and next Sunday.
With a 34% probability, snowfall is forecasted only for next Tuesday. Expected precipitation will be moderate at 0.24".
Expect a substantial fluctuation in daytime highs over the next several days. Maximum temperatures are forecasted between 42.8°F and 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the minimum temperature is expected to range between 28.4°F and 42.8°F.
Monday and Wednesday, with the highest temperature of 66.2°F, will be the warmest days in Arlee; the lowest daytime temperature of the period will be reached on next Tuesday, peaking at 42.8°F.
Updated: Oct 18, 2026 @ 16:08:35 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
Today, the outlook remains bright and sunny.
Today, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
Today, the maximum temperature will be notably higher than the average highest temperature of 49.8°F in October. The lowest temperature today will be slightly warmer than the average low temperature.
Today, the maximum temperature will be notably higher than the average highest temperature of 49.8°F in October. The lowest temperature today will be slightly warmer than the average low temperature.
On Sunday, in Arlee, sunrise was at 7:59 am and sunset will be at 6:43 pm (MDT).
Today, the daylight will last for 10h and 44min.





