Weather forecast for tomorrowGrand Portage, MN
Weather forecast for tomorrow
Monday Oct 19, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 5mphENE 72°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:02 pm CDT
- details ▼
Tomorrow, on Monday, October 19, expect partly sunny skies with periods of cloudiness.
The predicted temperature range extends from a high of a mild 57.2°F to a low of a cold 37.4°F.
A forecast high of 57.2°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:24 am and sunset at 6:02 pm; tomorrow's daylight will last for 10h and 38min.
The predicted temperature range extends from a high of a mild 57.2°F to a low of a cold 37.4°F.
A forecast high of 57.2°F brings conditions more familiar to September's average than October's.
Sunrise will be at 7:24 am and sunset at 6:02 pm; tomorrow's daylight will last for 10h and 38min.
Hourly overview
Hourly temperatures
Warmest period: 12 pm - 3 pm 55°C.
Minimum temperature: 41°C.
Minimum temperature: 41°C.
Chance of precipitation
Highest chance: 6 am 3%.
Hourly weather forecast
- 12 am
- 50°F
- Feels like:46°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 7mphNW 309°
- Humidity: 63%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:45°F
Mostly Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 315°
- Humidity: 66%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 43°F
- Feels like:39°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNW 318°
- Humidity: 74%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 41°F
- Feels like:39°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 4mphWNW 299°
- Humidity: 77%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:24 am
- 8 am
- 43°F
- Feels like:41°F
Mostly Cloudy
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNW 308°
- Humidity: 70%
- Pressure: 30.33"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 50°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 345°
- Humidity: 57%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 12 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 3mphENE 59°
- Humidity: 45%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 2 pm
- 55°F
- Feels like:55°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 5mphSE 125°
- Humidity: 45%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 55°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 125°
- Humidity: 47%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 1
- details ▼
- 6 pm
- 48°F
- Feels like:48°F
Sunny
- Precip. probability: 1%
- Precipitation: 0"
- Wind: 2mphESE 123°
- Humidity: 61%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:02 pm
- 8 pm
- 45°F
- Feels like:45°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphE 84°
- Humidity: 71%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 41°F
- Feels like:41°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphNNE 29°
- Humidity: 79%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of dry and sunny and cloudy weather is forecasted.
The temperature will vary between a minimum of 39.2°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The night temperature will be similar to the standard October low of 38.3°F.
The temperature will vary between a minimum of 39.2°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 4 pm.
The temperature will feel more consistent with September's average high than the expected maximum for October. The night temperature will be similar to the standard October low of 38.3°F.
Updated: Oct 18, 2026 @ 13:12:00 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
Tomorrow, in Grand Portage, a partly cloudy outlook will keep the sky interesting throughout the day.
Tomorrow, the highest temperature will be 57.2°F, while the lowest temperature will be 37.4°F.
The highest temperature will be uncommonly higher than the average maximum of 47.5°F in October. The lowest temperature will be in line with the average low of 38.3°F.
The highest temperature will be uncommonly higher than the average maximum of 47.5°F in October. The lowest temperature will be in line with the average low of 38.3°F.
On Monday, in Grand Portage, sunrise will be at 7:24 am and sunset at 6:02 pm (CDT).
In Grand Portage, tomorrow, there will be 10h and 38min of daylight.
