Weather forecast for 10 daysTattnall, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 59°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNE 31°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:35 am MDT
- Sunset: 6:15 pm MDT
- details ▼
On Sunday, in Tattnall, sunshine will dominate, with only occasional cloud cover.
The highest anticipated temperature is a refreshing 59°F, while the lowest temperature will be a wintry 37.4°F.
Today's forecasted high will be a few degrees higher than the typical October high of 54.3°F.
Sunrise will be at 7:35 am and sunset at 6:15 pm; the daylight will last for 10h and 40min.
The highest anticipated temperature is a refreshing 59°F, while the lowest temperature will be a wintry 37.4°F.
Today's forecasted high will be a few degrees higher than the typical October high of 54.3°F.
Sunrise will be at 7:35 am and sunset at 6:15 pm; the daylight will last for 10h and 40min.
10-day overview
Daily temperatures
Warmest day: Thursday 68°C.
Coldest day: Tuesday 27.10. 43°C.
Coldest day: Tuesday 27.10. 43°C.
Chance of precipitation
Highest chance: Friday 59%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 59°F
- 37°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphNNE 31°
- Humidity: 52%
- UV index: 3
- Sunrise: 7:35 am MDT
- Sunset: 6:15 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 64°F
- 36°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 14mphSE 136°
- Humidity: 52%
- UV index: 2
- Sunrise: 7:36 am MDT
- Sunset: 6:13 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 64°F
- 32°F
Partly Cloudy
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 10mphN 1°
- Humidity: 60%
- UV index: 2
- Sunrise: 7:38 am MDT
- Sunset: 6:11 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 64°F
- 39°F
Sunny
- Precip. probability: 5%
- Precipitation: 0"
- Wind: 14mphSE 139°
- Humidity: 63%
- UV index: 2
- Sunrise: 7:39 am MDT
- Sunset: 6:09 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 68°F
- 46°F
Sunny
- Precip. probability: 7%
- Precipitation: 0"
- Wind: 7mphSE 131°
- Humidity: 68%
- UV index: 2
- Sunrise: 7:41 am MDT
- Sunset: 6:07 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 57°F
- 36°F
Showers
- Precip. probability: 59%
- Precipitation: 0.24"
- Wind: 16mphNW 320°
- Humidity: 75%
- UV index: 1
- Sunrise: 7:43 am MDT
- Sunset: 6:05 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 27°F
Mostly Sunny
- Precip. probability: 6%
- Precipitation: 0"
- Wind: 16mphWNW 287°
- Humidity: 65%
- UV index: 2
- Sunrise: 7:44 am MDT
- Sunset: 6:04 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 45°F
- 28°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 12mphENE 64°
- Humidity: 74%
- UV index: 2
- Sunrise: 7:46 am MDT
- Sunset: 6:02 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 45°F
- 28°F
Partly Cloudy
- Precip. probability: 16%
- Precipitation: 0"
- Wind: 9mphNE 51°
- Humidity: 85%
- UV index: 2
- Sunrise: 7:47 am MDT
- Sunset: 6:00 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 23%
- Precipitation: 0"
- Wind: 11mphNNE 29°
- Humidity: 89%
- UV index: 2
- Sunrise: 7:49 am MDT
- Sunset: 5:58 pm MDT
- details ▼
Models point to a combination of dull, bright and rainy weather is anticipated.
With a probability of 59%, rainfall is expected only on Friday. Forecasted precipitation will be light at 0.24".
The temperature will vary considerably in the coming days. The temperature is expected to swing from 42.8°F up to 68°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 26.6°F and 46.4°F.
Thursday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 42.8°F, next Tuesday will be the coldest day.
With a probability of 59%, rainfall is expected only on Friday. Forecasted precipitation will be light at 0.24".
The temperature will vary considerably in the coming days. The temperature is expected to swing from 42.8°F up to 68°F, while the fluctuation in night temperatures will be also significant, as the lowest temperatures will be recorded between 26.6°F and 46.4°F.
Thursday is expected to be the warmest, reaching up to 68°F; with the highest temperature of 42.8°F, next Tuesday will be the coldest day.
Updated: Oct 18, 2026 @ 11:06:02 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 Sunday, sun-filled skies will remain for most of the day.
Today, the maximum temperature will be 59°F, while the minimum temperature will be 37.4°F.
Today, the highest temperature will be slightly warmer than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
Today, the highest temperature will be slightly warmer than the average maximum temperature in October. Today, the lowest temperature will be in line with the average low temperature.
On Sunday, in Tattnall, sunrise will be at 7:35 am and sunset at 6:15 pm (MDT).
In Tattnall, today, there will be 10h and 40min of daylight.
