Weather forecast in Grand Portage (MN)

This data display current weather and forecast for the coming days in Grand Portage. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Grand Portage current temperature and weather

September 6, 2025

Night
44.1°F Feels like: 38.5°F	Clear
	Wind: 9.6 mph (15.5 Km/h) NW Pressure: 29.83 inHg (1010 hPa) Humidity: 76%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0
Morning
49.5°F Feels like: 45.9°F	Partly Cloudy
	Wind: 8.7 mph (14 Km/h) NW Pressure: 29.91 inHg (1013 hPa) Humidity: 66%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 1.1
Day
55.6°F Feels like: 53.1°F	Partly Cloudy
	Wind: 6.9 mph (11.2 Km/h) W Pressure: 29.91 inHg (1013 hPa) Humidity: 50%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 1.5
Evening
51.4°F Feels like: 48°F	Cloudy
	Wind: 7.8 mph (12.6 Km/h) NW Pressure: 30 inHg (1016 hPa) Humidity: 61%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0

Marine weather forecast Grand Portage

The graphs show wave heights and directions, as well as wind speed and direction in Grand Portage for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in Grand Portage throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Grand Portage is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.