Weather forecast for tomorrowLake McDonald, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphE 81°
- Humidity: 57%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:38 pm MDT
- details ▼
Tomorrow, on Monday, high-altitude clouds may scatter across the sky, but the sun will still shine.
The anticipated temperature range extends from a high of an enjoyable 62.6°F to a low of an icy 39.2°F.
This October day will feature warmer weather, consistent with September's average of 65.5°F.
Sunrise will be at 8:02 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 37min.
The anticipated temperature range extends from a high of an enjoyable 62.6°F to a low of an icy 39.2°F.
This October day will feature warmer weather, consistent with September's average of 65.5°F.
Sunrise will be at 8:02 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 37min.
Hourly overview
Hourly temperatures
Warmest hour: 3 pm 61°C.
Coldest hour: 6 am 36°C.
Coldest hour: 6 am 36°C.
Chance of precipitation
Highest chance: 3 am - 9 am 3%.
Hourly weather forecast
- 12 am
- 39°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNE 39°
- Humidity: 66%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 37°F
- Feels like:37°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphN 11°
- Humidity: 71%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 36°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphNNE 26°
- Humidity: 77%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 36°F
- Feels like:36°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphNNE 18°
- Humidity: 77%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 am
- 37°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNNE 15°
- Humidity: 76%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 8:02 am
- 10 am
- 46°F
- Feels like:46°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNE 45°
- Humidity: 70%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 54°F
- Feels like:54°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphNNE 26°
- Humidity: 52%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 185°
- Humidity: 49%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 61°F
- Feels like:61°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphSW 214°
- Humidity: 43%
- Pressure: 29.83"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 57°F
- Feels like:57°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 2mphSW 220°
- Humidity: 51%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:38 pm
- 8 pm
- 52°F
- Feels like:52°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphNNW 347°
- Humidity: 62%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphN 357°
- Humidity: 65%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of overcast and sunny weather is predicted.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more similar to September's typical high of 65.5°F than the average for October. The minimum temperature will be also more resembling September's average low of 39.2°F than October's typical value of 30.7°F.
The temperature will vary between the lowest temperature of 35.6°F and the highest temperature of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more similar to September's typical high of 65.5°F than the average for October. The minimum temperature will be also more resembling September's average low of 39.2°F than October's typical value of 30.7°F.
Updated: Oct 18, 2026 @ 12:28:00 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, a mix of clouds and blue sky is expected.
Tomorrow, the maximum temperature will be 62.6°F, while the minimum temperature will be 39.2°F.
The maximum temperature will be significantly higher than the average highest temperature of 48.4°F in October. The lowest temperature will be a couple of degrees higher than the average low of 30.7°F.
The maximum temperature will be significantly higher than the average highest temperature of 48.4°F in October. The lowest temperature will be a couple of degrees higher than the average low of 30.7°F.
On Monday, in Lake McDonald, sunrise will be at 8:02 am and sunset at 6:38 pm (MDT).
In Lake McDonald, the length of the day tomorrow will be 10h and 37min.





