Weather forecast for tomorrowGallatin Gateway, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 66°F
- 37°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphWSW 249°
- Humidity: 45%
- UV index: 3
- Sunrise: 7:46 am MDT
- Sunset: 6:32 pm MDT
- details ▼
Tomorrow, in Gallatin Gateway, sunny conditions are also expected to continue.
The highest daytime temperature will touch an enjoyable 66.2°F, creating a significant contrast with the anticipated nighttime low of an icy 37.4°F.
This October day will feature warmer weather, consistent with September's average of 65.3°F.
Sunrise will be at 7:46 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 46min.
The highest daytime temperature will touch an enjoyable 66.2°F, creating a significant contrast with the anticipated nighttime low of an icy 37.4°F.
This October day will feature warmer weather, consistent with September's average of 65.3°F.
Sunrise will be at 7:46 am and sunset at 6:32 pm; tomorrow's daylight will last for 10h and 46min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 64°C.
Coldest period: 3 am - 6 am 37°C.
Coldest period: 3 am - 6 am 37°C.
Chance of precipitation
Highest chance: 12 am 1%.
Hourly weather forecast
- 12 am
- 41°F
- Feels like:37°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 175°
- Humidity: 63%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 39°F
- Feels like:34°F
Clear
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 5mphS 177°
- Humidity: 65%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 173°
- Humidity: 66%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:32°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphS 174°
- Humidity: 68%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:46 am
- 8 am
- 36°F
- Feels like:32°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 6mphS 176°
- Humidity: 67%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:46°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphS 177°
- Humidity: 55%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 57°F
- Feels like:57°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNW 312°
- Humidity: 40%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 2 pm
- 63°F
- Feels like:63°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphN 349°
- Humidity: 32%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 3
- details ▼
- 4 pm
- 64°F
- Feels like:64°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphN 4°
- Humidity: 29%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 61°F
- Feels like:61°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSSW 201°
- Humidity: 34%
- Pressure: 29.8"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:32 pm
- 8 pm
- 54°F
- Feels like:50°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 175°
- Humidity: 42%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 50°F
- Feels like:45°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 9mphS 180°
- Humidity: 46%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, on Monday, primarily mostly clear and occasionally overcast weather is predicted.
The temperature will vary between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more alike with September's typical high of 65.3°F than the average for October. The minimum temperature will be also more resembling September's average low of 40.5°F than October's typical value of 29.8°F.
The temperature will vary between a minimum of 35.6°F and a maximum of 64.4°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more alike with September's typical high of 65.3°F than the average for October. The minimum temperature will be also more resembling September's average low of 40.5°F than October's typical value of 29.8°F.
Updated: Oct 18, 2026 @ 09:51:43 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 Monday, conditions will remain bright with clear skies.
Tomorrow, the highest temperature will be 66.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be notably higher than the average maximum of 48.4°F in October. The lowest temperature will be slightly warmer than the average low of 29.8°F.
The highest temperature will be notably higher than the average maximum of 48.4°F in October. The lowest temperature will be slightly warmer than the average low of 29.8°F.
On Monday, in Gallatin Gateway, sunrise will be at 7:46 am and sunset at 6:32 pm (MDT).
In Gallatin Gateway, the length of the day tomorrow will be 10h and 46min.
