Weather forecast for 10 daysCuster, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- 75°F
- 37°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 253°
- Humidity: 25%
- UV index: 3
- Sunrise: 7:30 am MDT
- Sunset: 6:20 pm MDT
- details ▼
Today, on Saturday, October 17, dry and sunny weather is expected throughout the day.
Dramatic temperature shifts from a high of a temperate 75.2°F to a low of an icy 37.4°F are anticipated.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise was at 7:30 am and sunset will be at 6:20 pm; the daylight will last for 10h and 50min.
Dramatic temperature shifts from a high of a temperate 75.2°F to a low of an icy 37.4°F are anticipated.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise was at 7:30 am and sunset will be at 6:20 pm; the daylight will last for 10h and 50min.
Sunday Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNE 34°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:31 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, scattered clouds may briefly filter the sunlight, but it will remain bright overall.
The daytime temperature will peak at an enjoyable 64.4°F, significantly contrasting with the night's low of an icy 35.6°F.
Tomorrow's top temperature will be moderately higher than October's standard maximum of 57.2°F.
Sunrise will be at 7:31 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 47min.
The daytime temperature will peak at an enjoyable 64.4°F, significantly contrasting with the night's low of an icy 35.6°F.
Tomorrow's top temperature will be moderately higher than October's standard maximum of 57.2°F.
Sunrise will be at 7:31 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 47min.
10-day overview
Daily temperatures
Warmest day: today 75°C.
Coldest day: Monday 26.10. 50°C.
Coldest day: Monday 26.10. 50°C.
Chance of precipitation
Highest chance: Friday 61%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 75°F
- 37°F
Mostly Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 12mphWSW 253°
- Humidity: 25%
- UV index: 3
- Sunrise: 7:30 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 11mphNE 34°
- Humidity: 48%
- UV index: 3
- Sunrise: 7:31 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 68°F
- 37°F
Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 5mphS 174°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:33 am MDT
- Sunset: 6:17 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 68°F
- 36°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 9mphWNW 296°
- Humidity: 53%
- UV index: 3
- Sunrise: 7:34 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 68°F
- 39°F
Partly Cloudy
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 6mphSSE 153°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:35 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 72°F
- 45°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 7mphSW 228°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:37 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 64°F
- 41°F
PM Showers
- Precip. probability: 61%
- Precipitation: 0.24"
- Wind: 11mphNW 304°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:38 am MDT
- Sunset: 6:10 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 10%
- Precipitation: 0"
- Wind: 12mphNW 317°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:40 am MDT
- Sunset: 6:08 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 34°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 10mphNNE 30°
- Humidity: 69%
- UV index: 3
- Sunrise: 7:41 am MDT
- Sunset: 6:06 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 50°F
- 36°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 9mphNNW 343°
- Humidity: 64%
- UV index: 3
- Sunrise: 7:42 am MDT
- Sunset: 6:05 pm MDT
- details ▼
For the next ten days, a combination of gloomy, dry and sunny and showery weather is expected.
With a 61% probability, rainfall is predicted only for Friday. Predicted precipitation will be light at 0.24".
Temperature variation will be noticeable across the forecast period. Highs will range from 50°F to 75.2°F, while the low temperature range extends from 33.8°F to 44.6°F.
With a high of 75.2°F, today is the warmest day; the coldest day will be next Monday, with a maximum of 50°F.
With a 61% probability, rainfall is predicted only for Friday. Predicted precipitation will be light at 0.24".
Temperature variation will be noticeable across the forecast period. Highs will range from 50°F to 75.2°F, while the low temperature range extends from 33.8°F to 44.6°F.
With a high of 75.2°F, today is the warmest day; the coldest day will be next Monday, with a maximum of 50°F.
Updated: Oct 17, 2026 @ 20:35:41 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, in Custer, blue skies and warm sunshine will define the conditions.
Today, the highest temperature in Custer will be 75.2°F, while the lowest temperature will be 37.4°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 57.2°F in October. The lowest temperature will be a couple of degrees lower than the average low of 41.4°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 57.2°F in October. The lowest temperature will be a couple of degrees lower than the average low of 41.4°F.
On Saturday, in Custer, sunrise was at 7:30 am and sunset will be at 6:20 pm (MDT).
In Custer, the length of the day today will be 10h and 50min.
Tomorrow, sunny moments will alternate with patchy cloud cover.
Tomorrow, the highest temperature will be 64.4°F, while the lowest temperature will be 35.6°F.
The maximum temperature will be moderately higher than the average highest temperature of 57.2°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 41.4°F.
The maximum temperature will be moderately higher than the average highest temperature of 57.2°F in October. The lowest temperature will be also a couple of degrees lower than the average low of 41.4°F.
On Sunday, in Custer, sunrise will be at 7:31 am and sunset at 6:18 pm (MDT).
In Custer, tomorrow, there will be 10h and 47min of daylight.





