Weather forecast for 10 daysHelena Valley Southeast, MT

Weather forecast for the weekend

Saturday Oct 17, 2026

  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 169°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
On Saturday, in Helena Valley Southeast, a bright and mostly cloud-free sky is in store.
The day's temperature scale will range from a significant high of an agreeable 69.8°F to a minimum of an icy 39.2°F.
Sunrise was at 7:48 am and sunset will be at 6:37 pm; the daylight will last for 10h and 49min.

Sunday Oct 18, 2026

  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphN 349°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
Tomorrow, on Sunday, mostly clear with scattered clouds is expected.
The highest daytime temperature will touch an enjoyable 62.6°F, creating a significant contrast with the predicted nighttime low of a cold 35.6°F.
Sunrise will be at 7:49 am and sunset at 6:35 pm; tomorrow's daylight will last for 10h and 46min.

10-day overview

Daily temperatures

Warmest day: today 70°C.
Coldest period: Sunday - Monday 46°C.

Chance of precipitation

Highest chance: Friday 52%.

Long-term weather forecast

  • Saturday
  • Oct 17, 2026
  • 70°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 1%
  • Precipitation: 0"
  • Wind: 9mphS 169°
  • Humidity: 43%
  • UV index: 3
  • Sunrise: 7:48 am MDT
  • Sunset: 6:37 pm MDT
  • ▼
  • Sunday
  • Oct 18, 2026
  • 63°F
  • 36°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 5mphN 349°
  • Humidity: 56%
  • UV index: 3
  • Sunrise: 7:49 am MDT
  • Sunset: 6:35 pm MDT
  • ▼
  • Monday
  • Oct 19, 2026
  • 68°F
  • 39°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 5%
  • Precipitation: 0"
  • Wind: 7mphSE 140°
  • Humidity: 54%
  • UV index: 3
  • Sunrise: 7:51 am MDT
  • Sunset: 6:33 pm MDT
  • ▼
  • Tuesday
  • Oct 20, 2026
  • 63°F
  • 37°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 3%
  • Precipitation: 0"
  • Wind: 6mphNW 315°
  • Humidity: 57%
  • UV index: 3
  • Sunrise: 7:52 am MDT
  • Sunset: 6:32 pm MDT
  • ▼
  • Wednesday
  • Oct 21, 2026
  • 66°F
  • 41°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0"
  • Wind: 7mphS 172°
  • Humidity: 61%
  • UV index: 3
  • Sunrise: 7:54 am MDT
  • Sunset: 6:30 pm MDT
  • ▼
  • Thursday
  • Oct 22, 2026
  • 64°F
  • 45°F
Mostly Sunny
Mostly Sunny
  • Precip. probability: 6%
  • Precipitation: 0.04"
  • Wind: 6mphS 188°
  • Humidity: 66%
  • UV index: 3
  • Sunrise: 7:55 am MDT
  • Sunset: 6:28 pm MDT
  • ▼
  • Friday
  • Oct 23, 2026
  • 52°F
  • 32°F
Showers
Showers
  • Precip. probability: 52%
  • Precipitation: 0.16"
  • Wind: 12mphWNW 284°
  • Humidity: 77%
  • UV index: 2
  • Sunrise: 7:57 am MDT
  • Sunset: 6:26 pm MDT
  • ▼
  • Saturday
  • Oct 24, 2026
  • 48°F
  • 30°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 16%
  • Precipitation: 0"
  • Wind: 7mphWSW 258°
  • Humidity: 62%
  • UV index: 2
  • Sunrise: 7:58 am MDT
  • Sunset: 6:25 pm MDT
  • ▼
  • Sunday
  • Oct 25, 2026
  • 46°F
  • 30°F
Mostly Cloudy
Mostly Cloudy
  • Precip. probability: 20%
  • Precipitation: 0.04"
  • Wind: 7mphNW 307°
  • Humidity: 71%
  • UV index: 2
  • Sunrise: 7:59 am MDT
  • Sunset: 6:23 pm MDT
  • ▼
  • Monday
  • Oct 26, 2026
  • 46°F
  • 32°F
Partly Cloudy
Partly Cloudy
  • Precip. probability: 21%
  • Precipitation: 0"
  • Wind: 7mphW 278°
  • Humidity: 70%
  • UV index: 2
  • Sunrise: 8:01 am MDT
  • Sunset: 6:21 pm MDT
  • ▼
Looking ahead, conditions suggest a period of cloudy, sunny and wet weather is forecasted.
Rain is forecasted for Friday and next Sunday.
There will be a considerable variation in temperature in the upcoming days. The maximum temperature will vary between 46.4°F and 69.8°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 30.2°F and 44.6°F.
Today is the warmest day, with a maximum temperature of 69.8°F; with a maximum temperature of 46.4°F, next Sunday and Monday will be the coldest days.
Updated: Oct 17, 2026 @ 15:40:03 UTC
Published by: Weather U.S. | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate

Frequently asked questions

On Saturday, sunny intervals will be long-lasting, with few disruptions.

Today, the maximum temperature will be 69.8°F, while the minimum temperature will be 39.2°F.

On Saturday, in Helena Valley Southeast, sunrise was at 7:48 am and sunset will be at 6:37 pm (MDT).

In Helena Valley Southeast, today, there will be 10h and 49min of daylight.

On Sunday, in Helena Valley Southeast, thin clouds will pass through at times, but overall, it will remain bright.

Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 35.6°F.

On Sunday, in Helena Valley Southeast, sunrise will be at 7:49 am and sunset at 6:35 pm (MDT).

Tomorrow in Helena Valley Southeast, the daylight will last for 10h and 46min.