Weather forecast for todayBoulder, MT
Weather forecast for today
Current condition 8:39 pm MDT
- 45°F
- Feels like:43°F
Clear
- Precipitation: 0"
- Wind: 5mphW 260°
- Humidity: 64%
- Dewpoint: 34°F
- Pressure: 29.99"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Currently, nothing but clear skies and excellent visibility.
The temperature is a chilly 44.6°F, and the felt air temperature is almost the same at 42.8°F. The current temperature is still relatively far from the anticipated minimum of 33.8°F.
The temperature is a chilly 44.6°F, and the felt air temperature is almost the same at 42.8°F. The current temperature is still relatively far from the anticipated minimum of 33.8°F.
Sunday Oct 18, 2026
- min.
- 34°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphSW 220°
- Humidity: 69%
- UV index: 0
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- details ▼
In Boulder, for the rest of the night, cloudless and clear weather is anticipated.
The lowest expected temperature is an icy 33.8°F.
Sunrise was at 7:50 am and sunset at 6:36 pm; the daylight lasted for 10h and 47min.
The lowest expected temperature is an icy 33.8°F.
Sunrise was at 7:50 am and sunset at 6:36 pm; the daylight lasted for 10h and 47min.
Hourly overview
Hourly temperatures
Warmest hour: 9 pm 45°C.
Coldest period: 3 am - 5 am 37°C.
Coldest period: 3 am - 5 am 37°C.
Chance of precipitation
Highest chance: 4 am - 5 am 3%.
Hourly weather forecast
- 9 pm
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 244°
- Humidity: 63%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphSW 231°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 11 pm
- 41°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphWSW 239°
- Humidity: 70%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 12 am
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSW 224°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 1 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSW 217°
- Humidity: 67%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSW 209°
- Humidity: 70%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 3 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSSW 202°
- Humidity: 72%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSW 215°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 5 am
- 37°F
- Feels like:37°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSW 209°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSW 207°
- Humidity: 74%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 7 am
- 36°F
- Feels like:36°F
Clear
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphSSW 206°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
For the rest of the night, the weather will be unstable. The temperature will be between the highest temperature of 44.6°F and the lowest temperature of 41°F.
Updated: Oct 19, 2026 @ 02:39:15 UTC
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Published by: Weather Atlas | About Us
Data Sources | weather.com | Weather
Weather Forecasting & Climate
Frequently asked questions
Currently (8:39 pm MDT) it is 44.6°F in Boulder.
On Sunday, in Boulder, expect nothing but clear skies from morning to night.
On Sunday, in Boulder, sunrise was at 7:50 am and sunset at 6:36 pm (MDT).
Today in Boulder, the length of the day was 10h and 47min.
Boulder, Montana, USA
- en: Boulder, Montana, USA
- es: Boulder, Montana, EE.UU.
- hr: Bolder, Montana, SAD
- mk: Bolder, Montana, SAD
- sr: Bolder, Montana, SAD
- zh: 博尔德, 蒙大拿, 美国
- Latitude: 46.236595°
- Longitude: -112.120834°
- Elevation: 4908 ft
- Current time: 9:43pm MDT
- Sunrise: 7:50 am MDT
- Sunset: 6:36 pm MDT
- Timezone: America/Denver
Nearby Boulder, Montana, USA
- Basin (7 mi)
- Jefferson City (11 mi)
- Clancy (17 mi)
- Radersburg (24 mi)
- Walkerville (24 mi)
- Helena (25 mi)
- Helena West Side (25 mi)
- Whitehall (25 mi)
- Butte (25 mi)
- East Helena (26 mi)
- Elliston (27 mi)
- Cardwell (27 mi)
- Helena Valley Southeast (27 mi)
- Winston (27 mi)
- Townsend (29 mi)
- Helena Valley West... (30 mi)
- Ramsay (32 mi)
- Deer Lodge (32 mi)
- Warm Springs (32 mi)
- Toston (33 mi)
- Helena Valley Northwest (34 mi)
- Avon (34 mi)
- Helena Valley Northeast (34 mi)
- Three Forks (36 mi)





