Weather forecast for 10 daysSumatra, MT
Weather forecast for the weekend
Saturday Oct 17, 2026
- 77°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphWSW 249°
- Humidity: 21%
- UV index: 3
- Sunrise: 7:31 am MDT
- Sunset: 6:19 pm MDT
- details ▼
Today, in Sumatra, the forecast calls for abundant sunshine.
The day's temperature range will span from a high of a moderately hot 77°F to a minimum of a cold 39.2°F.
The day's peak of 77°F reflects September's seasonal pattern more than October's.
Sunrise was at 7:31 am and sunset will be at 6:19 pm; the daylight will last for 10h and 49min.
The day's temperature range will span from a high of a moderately hot 77°F to a minimum of a cold 39.2°F.
The day's peak of 77°F reflects September's seasonal pattern more than October's.
Sunrise was at 7:31 am and sunset will be at 6:19 pm; the daylight will last for 10h and 49min.
Sunday Oct 18, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphNE 42°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:32 am MDT
- Sunset: 6:18 pm MDT
- details ▼
Tomorrow, on Sunday, October 18, the sky will feature a blend of clouds and sunshine.
The highest temperature will be a breezy 62.6°F, while the lowest temperature will be a cold 37.4°F.
Tomorrow, the forecasted high temperature will be moderately higher than the average October peak of 57.2°F.
Sunrise will be at 7:32 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 46min.
The highest temperature will be a breezy 62.6°F, while the lowest temperature will be a cold 37.4°F.
Tomorrow, the forecasted high temperature will be moderately higher than the average October peak of 57.2°F.
Sunrise will be at 7:32 am and sunset at 6:18 pm; tomorrow's daylight will last for 10h and 46min.
10-day overview
Daily temperatures
Warmest day: today 77°C.
Coldest day: Monday 26.10. 46°C.
Coldest day: Monday 26.10. 46°C.
Chance of precipitation
Highest chance: Friday 51%.
Long-term weather forecast
- Saturday
- Oct 17, 2026
- 77°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 17mphWSW 249°
- Humidity: 21%
- UV index: 3
- Sunrise: 7:31 am MDT
- Sunset: 6:19 pm MDT
- details ▼
- Sunday
- Oct 18, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 10mphNE 42°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:32 am MDT
- Sunset: 6:18 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 11mphSSE 150°
- Humidity: 51%
- UV index: 3
- Sunrise: 7:33 am MDT
- Sunset: 6:16 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphNW 309°
- Humidity: 56%
- UV index: 3
- Sunrise: 7:35 am MDT
- Sunset: 6:14 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 41°F
Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 11mphSE 146°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:36 am MDT
- Sunset: 6:12 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 70°F
- 45°F
Mostly Sunny
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 9mphSSW 204°
- Humidity: 54%
- UV index: 3
- Sunrise: 7:38 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 61°F
- 37°F
PM Showers
- Precip. probability: 51%
- Precipitation: 0.16"
- Wind: 16mphNW 306°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:39 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 50°F
- 30°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 16mphNW 313°
- Humidity: 61%
- UV index: 3
- Sunrise: 7:40 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 50°F
- 30°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 11mphNE 36°
- Humidity: 70%
- UV index: 2
- Sunrise: 7:42 am MDT
- Sunset: 6:06 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 46°F
- 34°F
Partly Cloudy
- Precip. probability: 14%
- Precipitation: 0"
- Wind: 11mphNNW 336°
- Humidity: 66%
- UV index: 2
- Sunrise: 7:43 am MDT
- Sunset: 6:04 pm MDT
- details ▼
Over the next ten days, a mix of dull, sunny and rainy weather is expected.
With a probability of 51%, rainfall is expected only on Friday. The precipitation will be light at 0.16".
Temperature fluctuation will be noticeable across the forecast period. Forecast highs will fluctuate between 46.4°F and 77°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 30.2°F and 44.6°F.
The warmest day is today, with a maximum temperature of 77°F; the coldest day will be next Monday, with a maximum of 46.4°F.
With a probability of 51%, rainfall is expected only on Friday. The precipitation will be light at 0.16".
Temperature fluctuation will be noticeable across the forecast period. Forecast highs will fluctuate between 46.4°F and 77°F, while the variation in nighttime lows will be also notably wide, as the minimum temperature is expected to range between 30.2°F and 44.6°F.
The warmest day is today, with a maximum temperature of 77°F; the coldest day will be next Monday, with a maximum of 46.4°F.
Updated: Oct 17, 2026 @ 20:36:27 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 Saturday, sunshine will likely continue with scattered clouds at most.
Today, the maximum temperature will be 77°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be significantly higher than the average highest temperature of 57.2°F in October. The lowest temperature today will be in line with the average low temperature.
The maximum temperature will be significantly higher than the average highest temperature of 57.2°F in October. The lowest temperature today will be in line with the average low temperature.
On Saturday, in Sumatra, sunrise was at 7:31 am and sunset will be at 6:19 pm (MDT).
Today, the daylight will last for 10h and 49min.
Tomorrow, expect a mix of sun and clouds throughout the day.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 37.4°F.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature tomorrow will be also a couple of degrees lower than the average low temperature.
The highest temperature tomorrow will be relatively higher than the average maximum temperature in October. The lowest temperature tomorrow will be also a couple of degrees lower than the average low temperature.
On Sunday, in Sumatra, sunrise will be at 7:32 am and sunset at 6:18 pm (MDT).
In Sumatra, the length of the day tomorrow will be 10h and 46min.





