Weather forecast for tomorrowGrand Portage, MN
Weather forecast for tomorrow
Monday Oct 19, 2026
- 57°F
- 37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 5mphENE 63°
- Humidity: 55%
- UV index: 3
- Sunrise: 7:24 am CDT
- Sunset: 6:02 pm CDT
- details ▼
Tomorrow, in Grand Portage, changing cloud patterns will allow for periods of sunshine.
Temperature is expected to swing from a high of a refreshing 57.2°F to a low of a wintry 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 61.7°F.
Sunrise will be at 7:24 am and sunset at 6:02 pm; tomorrow's daylight will last for 10h and 38min.
Temperature is expected to swing from a high of a refreshing 57.2°F to a low of a wintry 37.4°F.
Weather conditions lean warmer, with the temperature tracking September's average high of 61.7°F.
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: 39°C.
Minimum temperature: 39°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 311°
- Humidity: 64%
- Pressure: 30.12"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 2 am
- 46°F
- Feels like:43°F
Clear
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 6mphNW 316°
- Humidity: 66%
- Pressure: 30.18"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 4 am
- 41°F
- Feels like:39°F
Mostly Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 4mphNW 310°
- Humidity: 76%
- Pressure: 30.24"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 6 am
- 39°F
- Feels like:37°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphWNW 293°
- Humidity: 78%
- Pressure: 30.3"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunrise: 7:24 am
- 8 am
- 43°F
- Feels like:41°F
Partly Cloudy
- Precip. probability: 3%
- Precipitation: 0"
- Wind: 3mphWNW 299°
- Humidity: 73%
- Pressure: 30.36"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 am
- 48°F
- Feels like:48°F
Partly Cloudy
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphNNW 341°
- Humidity: 58%
- 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: 3mphNE 41°
- Humidity: 44%
- 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: 5mphESE 119°
- Humidity: 45%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 2
- details ▼
- 4 pm
- 54°F
- Feels like:54°F
Sunny
- Precip. probability: 0%
- Precipitation: 0"
- Wind: 4mphSE 127°
- Humidity: 48%
- 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 114°
- Humidity: 64%
- Pressure: 30.39"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Sunset: 6:02 pm
- 8 pm
- 43°F
- Feels like:43°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 2mphENE 61°
- Humidity: 77%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
- 10 pm
- 39°F
- Feels like:39°F
Clear
- Precip. probability: 2%
- Precipitation: 0"
- Wind: 1mphNE 41°
- Humidity: 81%
- Pressure: 30.42"Hg
- Visibility: 10mi
- UV index: 0
- details ▼
Tomorrow, a combination of cloudy and bright weather is predicted.
The temperature will vary between a minimum of 37.4°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will align more closely with September's average high of 61.7°F than with October's 47.5°F. The expected low will be consistent with the average minimum in October, which is 38.3°F.
The temperature will vary between a minimum of 37.4°F and a maximum of 55.4°F. The warmest part of the day will be from noon to 3 pm.
The maximum temperature will align more closely with September's average high of 61.7°F than with October's 47.5°F. The expected low will be consistent with the average minimum in October, which is 38.3°F.
Updated: Oct 18, 2026 @ 18:26:29 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, clouds will come and go, but expect bright periods in between.
Tomorrow, the maximum temperature will be 57.2°F, while the minimum temperature will be 37.4°F.
The maximum temperature will be notably higher than the average highest temperature of 47.5°F in October. The lowest temperature will be in line with the average low of 38.3°F.
The maximum temperature will be notably higher than the average highest temperature 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.
