Weather forecast for tomorrowDecker, MT
Weather forecast for tomorrow
Sunday Oct 18, 2026
- 68°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 10mphNE 49°
- Humidity: 39%
- UV index: 3
- Sunrise: 7:27 am MDT
- Sunset: 6:17 pm MDT
- details ▼
On Sunday, in Decker, mostly sunny weather is also likely, with high visibility.
Dramatic temperature shifts from a high of an agreeable 68°F to a low of a wintry 37.4°F are predicted.
Tomorrow, the expected high of 68°F is expected to reflect September's average high of 74.1°F.
Sunrise will be at 7:27 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 50min.
Dramatic temperature shifts from a high of an agreeable 68°F to a low of a wintry 37.4°F are predicted.
Tomorrow, the expected high of 68°F is expected to reflect September's average high of 74.1°F.
Sunrise will be at 7:27 am and sunset at 6:17 pm; tomorrow's daylight will last for 10h and 50min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 66°C.
Coldest hour: 6 am 43°C.
Coldest hour: 6 am 43°C.
Chance of precipitation
Highest chance: 6 am 1%.
Hourly weather forecast
- 12 am
- 46°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphWSW 245°
- Humidity: 48%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 45°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphWSW 252°
- Humidity: 49%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:41°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNW 308°
- Humidity: 53%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 43°F
- Feels like:39°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNW 310°
- Humidity: 58%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:27 am
- 8 am
- 39°F
- Feels like:37°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 4mphNW 313°
- Humidity: 70%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphNE 39°
- Humidity: 45%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 63°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphENE 60°
- Humidity: 32%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphENE 71°
- Humidity: 27%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 66°F
- Feels like:66°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphE 84°
- Humidity: 26%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphE 80°
- Humidity: 31%
- Pressure: 30.03"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:17 pm
- 8 pm
- 52°F
- Feels like:48°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 8mphE 89°
- Humidity: 47%
- Pressure: 30.06"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 46°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphE 97°
- Humidity: 58%
- Pressure: 30.09"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Sunday, a combination of dry and sunny and dull weather is expected.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the forecasted maximum will be more similar to September's average high of 74.1°F than October's 56.8°F. The night temperature will be alike with the standard October low of 39°F.
The temperature will be between the lowest temperature of 39.2°F and the highest temperature of 66.2°F. The warmest part of the day will be from 2 pm to 5 pm.
Tomorrow, the forecasted maximum will be more similar to September's average high of 74.1°F than October's 56.8°F. The night temperature will be alike with the standard October low of 39°F.
Updated: Oct 17, 2026 @ 18:15:58 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
Tomorrow, sunshine will dominate, with only occasional cloud cover.
Tomorrow, the highest temperature will be 68°F, while the lowest temperature will be 37.4°F.
Tomorrow, the highest temperature will be notably higher than the average maximum of 56.8°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
Tomorrow, the highest temperature will be notably higher than the average maximum of 56.8°F in October. The lowest temperature tomorrow will be in line with the average low temperature.
On Sunday, in Decker, sunrise will be at 7:27 am and sunset at 6:17 pm (MDT).
In Decker, the length of the day tomorrow will be 10h and 50min.
