Weather forecast for tomorrowLake McDonald, MT
Weather forecast for tomorrow
Monday Oct 19, 2026
- 63°F
- 39°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 3mphE 95°
- Humidity: 58%
- UV index: 2
- Sunrise: 8:02 am MDT
- Sunset: 6:38 pm MDT
- details ▼
On Monday, October 19, expect a partly sunny afternoon with variable cloud cover.
Temperatures will oscillate between a breezy 62.6°F at their highest and an icy 39.2°F at their lowest.
The forecast high of 62.6°F aligns more closely with September's typical high of 65.5°F than with October's usual 48.4°F.
Sunrise will be at 8:02 am and sunset at 6:38 pm; tomorrow's daylight will last for 10h and 37min.
Temperatures will oscillate between a breezy 62.6°F at their highest and an icy 39.2°F at their lowest.
The forecast high of 62.6°F aligns more closely with September's typical high of 65.5°F than with October's usual 48.4°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 period: 3 am - 6 am 37°C.
Coldest period: 3 am - 6 am 37°C.
Chance of precipitation
Highest chance: 6 am - 9 am 4%.
Hourly weather forecast
- 12 am
- 39°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphNE 36°
- Humidity: 69%
- 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 10°
- Humidity: 73%
- Pressure: 30"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 37°F
- Feels like:37°F
Mostly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 2mphNNE 30°
- Humidity: 77%
- Pressure: 29.97"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 37°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphNNE 18°
- Humidity: 77%
- Pressure: 29.94"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 8 am
- 37°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 4%
- Precipitation: 0"
- Wind: 2mphN 7°
- Humidity: 78%
- Pressure: 29.97"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 43°
- Humidity: 72%
- 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: 2mphNE 35°
- Humidity: 53%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 57°F
- Feels like:57°F
Mostly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphS 185°
- Humidity: 48%
- 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: 3mphSSW 214°
- Humidity: 43%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 59°F
- Feels like:59°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphSW 222°
- Humidity: 51%
- Pressure: 29.85"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:38 pm
- 8 pm
- 52°F
- Feels like:52°F
Partly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphN 3°
- Humidity: 61%
- Pressure: 29.88"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 48°F
- Feels like:48°F
Mostly Cloudy
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphN 359°
- Humidity: 66%
- Pressure: 29.91"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, primarily cloudy and occasionally clear weather is predicted.
The temperature will be between a minimum of 37.4°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more resembling September's typical high of 65.5°F than the average for October. The expected low will be also more consistent with what’s typical in September than in October.
The temperature will be between a minimum of 37.4°F and a maximum of 60.8°F. The warmest part of the day will be from 3 pm to 5 pm.
The forecasted maximum is more resembling September's typical high of 65.5°F than the average for October. The expected low will be also more consistent with what’s typical in September than in October.
Updated: Oct 18, 2026 @ 16:10:15 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, in Lake McDonald, moderate cloud cover will mix with sunshine throughout the day.
Tomorrow, the highest temperature will be 62.6°F, while the lowest temperature will be 39.2°F.
The highest temperature will be noticeably higher than the average maximum of 48.4°F in October. The lowest temperature will be a few degrees higher than the average low of 30.7°F.
The highest temperature will be noticeably higher than the average maximum of 48.4°F in October. The lowest temperature will be a few 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, tomorrow, there will be 10h and 37min of daylight.





