Weather forecast for 10 daysGallatin Gateway, MT
Weather forecast for the weekend
Sunday Oct 18, 2026
- 61°F
- 36°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphN 350°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:45 am MDT
- Sunset: 6:34 pm MDT
- details ▼
Today, in Gallatin Gateway, expect plenty of sunshine and only a few scattered clouds.
The temperature variation is predicted to range from a maximum of an enjoyable 60.8°F to a minimum of an icy 35.6°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:45 am and sunset at 6:34 pm; the daylight will last for 10h and 49min.
The temperature variation is predicted to range from a maximum of an enjoyable 60.8°F to a minimum of an icy 35.6°F.
The anticipated high is warmer and better reflects September's normal temperature profile than that of October.
Sunrise will be at 7:45 am and sunset at 6:34 pm; the daylight will last for 10h and 49min.
10-day overview
Daily temperatures
Warmest day: tomorrow 66°C.
Coldest day: Tuesday 27.10. 41°C.
Coldest day: Tuesday 27.10. 41°C.
Chance of precipitation
Highest chance: Friday 83%.
Long-term weather forecast
- Sunday
- Oct 18, 2026
- 61°F
- 36°F
Mostly Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 8mphN 350°
- Humidity: 49%
- UV index: 3
- Sunrise: 7:45 am MDT
- Sunset: 6:34 pm MDT
- details ▼
- Monday
- Oct 19, 2026
- 66°F
- 39°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 245°
- Humidity: 43%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:32 pm MDT
- details ▼
- Tuesday
- Oct 20, 2026
- 63°F
- 37°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphNW 305°
- Humidity: 50%
- UV index: 3
- Sunrise: 7:48 am MDT
- Sunset: 6:30 pm MDT
- details ▼
- Wednesday
- Oct 21, 2026
- 63°F
- 41°F
Partly Cloudy
- Precip. probability: 9%
- Precipitation: 0"
- Wind: 6mphSW 234°
- Humidity: 62%
- UV index: 3
- Sunrise: 7:49 am MDT
- Sunset: 6:29 pm MDT
- details ▼
- Thursday
- Oct 22, 2026
- 64°F
- 41°F
Mostly Sunny
- Precip. probability: 11%
- Precipitation: 0.12"
- Wind: 7mphSSW 198°
- Humidity: 59%
- UV index: 3
- Sunrise: 7:51 am MDT
- Sunset: 6:27 pm MDT
- details ▼
- Friday
- Oct 23, 2026
- 46°F
- 28°F
Rain
- Precip. probability: 83%
- Precipitation: 0.51"
- Wind: 8mphW 275°
- Humidity: 87%
- UV index: 1
- Sunrise: 7:52 am MDT
- Sunset: 6:25 pm MDT
- details ▼
- Saturday
- Oct 24, 2026
- 46°F
- 28°F
Partly Cloudy
- Precip. probability: 15%
- Precipitation: 0"
- Wind: 6mphSW 235°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:53 am MDT
- Sunset: 6:24 pm MDT
- details ▼
- Sunday
- Oct 25, 2026
- 52°F
- 27°F
Partly Cloudy
- Precip. probability: 11%
- Precipitation: 0"
- Wind: 7mphSSW 200°
- Humidity: 66%
- UV index: 3
- Sunrise: 7:55 am MDT
- Sunset: 6:22 pm MDT
- details ▼
- Monday
- Oct 26, 2026
- 43°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 6mphW 265°
- Humidity: 72%
- UV index: 3
- Sunrise: 7:56 am MDT
- Sunset: 6:20 pm MDT
- details ▼
- Tuesday
- Oct 27, 2026
- 41°F
- 27°F
Partly Cloudy
- Precip. probability: 24%
- Precipitation: 0"
- Wind: 7mphWSW 248°
- Humidity: 78%
- UV index: 3
- Sunrise: 7:57 am MDT
- Sunset: 6:19 pm MDT
- details ▼
For the next ten days, a combination of cloudy, bright and damp weather is expected.
Rain is expected on Thursday and Friday.
Significant changes in temperature are expected in the upcoming days. The temperature is expected to swing from 41°F up to 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 26.6°F and 41°F.
Monday will be the warmest day, with a maximum temperature of 66.2°F; next Tuesday will be the coldest day, with the highest temperature of 41°F.
Rain is expected on Thursday and Friday.
Significant changes in temperature are expected in the upcoming days. The temperature is expected to swing from 41°F up to 66.2°F, while the lowest nightly temperature differences will be also quite pronounced, as the lowest temperatures will be recorded between 26.6°F and 41°F.
Monday will be the warmest day, with a maximum temperature of 66.2°F; next Tuesday will be the coldest day, with the highest temperature of 41°F.
Updated: Oct 18, 2026 @ 11:02:48 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, mostly sunny skies are expected.
Today, the maximum temperature will be 60.8°F, while the minimum temperature will be 35.6°F.
The maximum temperature today will be uncommonly higher than the average highest temperature of 48.4°F in October. The lowest temperature today will be relatively higher than the average low temperature.
The maximum temperature today will be uncommonly higher than the average highest temperature of 48.4°F in October. The lowest temperature today will be relatively higher than the average low temperature.
On Sunday, in Gallatin Gateway, sunrise will be at 7:45 am and sunset at 6:34 pm (MDT).
Today, the daylight will last for 10h and 49min.
