Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 5°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Tuesday
12th May
5

0

1

3
Wednesday
13th May
13

2

5

4
Thursday
14th May
12

3

5

6
Friday
15th May
18

6

2

6
Saturday
16th May
16

6

4

4

5-day weather forecast updated at 04:02 on Tuesday 12th May 2026 GMT

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The 5-day weather forecast for Minnesota (Grand Portage) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Grand Portage weather forecast by day

Below are the detailed weather forecasts for Grand Portage for the next 5 days.

Grand Portage weather for Tuesday 12th May 2026

Expect cloudy with some rain in Grand Portage, Minnesota with a maximum temperature of 5°C, maximum UV of 3 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 91% chance of some rain and a gentle breeze of 17 kph from the east.

5
°C maximum temperature
0
°C minimum temperature
cloudy with some rain
1
hour of sunshine
3
UV index (Moderate)
91
% chance of some rain
<10
mm of rainfall expected
1
°C wind chill
17
kph wind from E

Grand Portage weather for Wednesday 13th May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 13°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the north.

13
°C maximum temperature
2
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
13
°C wind chill
13
kph wind from N

Grand Portage weather for Thursday 14th May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 12°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the south-east.

12
°C maximum temperature
3
°C minimum temperature
broken clouds
5
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
12
°C wind chill
11
kph wind from SE

Grand Portage weather for Friday 15th May 2026

Expect mostly cloudy with light rain in Grand Portage, Minnesota with a maximum temperature of 18°C, maximum UV of 6 (High) and 2 hours of bright sunshine. There are 2-5 mm of rainfall expected with 61% chance of some rain and a gentle breeze of 18 kph from the south.

18
°C maximum temperature
6
°C minimum temperature
mostly cloudy with light rain
2
hours of sunshine
6
UV index (High)
61
% chance of some rain
<5
mm of rainfall expected
18
°C wind chill
18
kph wind from S

Grand Portage weather for Saturday 16th May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 20 kph from the west.