Weather forecast for 10 daysFrenchtown, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphE 82°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:44 pm MDT
- details ▼
Today, on Sunday, October 18, a partly cloudy outlook will keep the sky interesting throughout the day.
Temperature fluctuations will be substantial, ranging from a peak of an enjoyable 64.4°F to a low of an icy 35.6°F.
Today, the forecasted high of 64.4°F is expected to reflect September's average high of 68.7°F.
Sunrise will be at 7:59 am and sunset at 6:44 pm; the daylight will last for 10h and 44min.
Temperature fluctuations will be substantial, ranging from a peak of an enjoyable 64.4°F to a low of an icy 35.6°F.
Today, the forecasted high of 64.4°F is expected to reflect September's average high of 68.7°F.
Sunrise will be at 7:59 am and sunset at 6:44 pm; the daylight will last for 10h and 44min.
10-day overview
Daily temperatures
Warmest period: tomorrow - Wednesday 66°C.
Coldest period: Monday - Tuesday 45°C.
Coldest period: Monday - Tuesday 45°C.
Chance of precipitation
Highest chance: Thursday - Friday 42%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphE 82°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:59 am MDT
- Sunset: 6:44 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphESE 123°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:01 am MDT
- Sunset: 6:42 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 66°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphNE 39°
- Humidity: 66%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:40 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 66°F
- 41°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 4mphSE 124°
- Humidity: 64%
- UV index: 3
- Sunrise: 8:04 am MDT
- Sunset: 6:38 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 43°F
PM Showers
- Precip. probability: 42%
- Precipitation: 0.2"
- Wind: 4mphSE 130°
- Humidity: 73%
- UV index: 2
- Sunrise: 8:05 am MDT
- Sunset: 6:37 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 50°F
- 32°F
AM Showers
- Precip. probability: 42%
- Precipitation: 0.04"
- Wind: 9mphW 270°
- Humidity: 87%
- UV index: 2
- Sunrise: 8:06 am MDT
- Sunset: 6:35 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 48°F
- 30°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 5mphSSW 197°
- Humidity: 74%
- UV index: 2
- Sunrise: 8:08 am MDT
- Sunset: 6:33 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 46°F
- 28°F
AM Rain / Snow
- Precip. probability: 31%
- Precipitation: 0.04"
- Wind: 5mphE 82°
- Humidity: 85%
- UV index: 2
- Sunrise: 8:09 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 45°F
- 28°F
Mostly Sunny
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphNE 34°
- Humidity: 84%
- UV index: 2
- Sunrise: 8:11 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 45°F
- 28°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 5mphWSW 257°
- Humidity: 86%
- UV index: 2
- Sunrise: 8:12 am MDT
- Sunset: 6:28 pm MDT
- details ▼
The weather will be unstable for the next ten days, and a mix of gloomy, rain-soaked, snowy and cold and dry and sunny weather is predicted.
Rainfall is forecasted for Thursday and Friday.
With a probability of 31%, snowfall is forecasted only for next Sunday. Anticipated precipitation will be moderate at 0.2".
Noticeable swings in temperature are expected over the next several days. Forecast highs will fluctuate between 44.6°F and 66.2°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 28.4°F and 42.8°F.
With a maximum temperature of 66.2°F, Monday through Wednesday will be the warmest days; with a maximum temperature of 44.6°F, next Monday and Tuesday will be the coldest days.
Rainfall is forecasted for Thursday and Friday.
With a probability of 31%, snowfall is forecasted only for next Sunday. Anticipated precipitation will be moderate at 0.2".
Noticeable swings in temperature are expected over the next several days. Forecast highs will fluctuate between 44.6°F and 66.2°F, while there will be also a marked difference in overnight low temperatures, as the lowest temperatures will be recorded between 28.4°F and 42.8°F.
With a maximum temperature of 66.2°F, Monday through Wednesday will be the warmest days; with a maximum temperature of 44.6°F, next Monday and Tuesday will be the coldest days.
Updated: Oct 18, 2026 @ 12:00:00 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, a partly cloudy sky is anticipated.
Today, the maximum temperature will be 64.4°F, while the minimum temperature will be 35.6°F.
The maximum temperature today will be notably higher than the average highest temperature of 51.3°F in October. Today, the lowest temperature will be a few degrees higher than the average low temperature.
The maximum temperature today will be notably higher than the average highest temperature of 51.3°F in October. Today, the lowest temperature will be a few degrees higher than the average low temperature.
On Sunday, in Frenchtown, sunrise will be at 7:59 am and sunset at 6:44 pm (MDT).
Today in Frenchtown, the daylight will last for 10h and 44min.
