Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 18°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Wednesday
27th May
18

8

12

7
Thursday
28th May
15

6

14

7
Friday
29th May
26

6

9

6
Saturday
30th May
14

6

14

7
Sunday
31st May
20

5

13

4

5-day weather forecast updated at 04:02 on Wednesday 27th 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 Wednesday 27th May 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 18°C, maximum UV of 7 (High) and 12 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 13 kph from the east.

18
°C maximum temperature
8
°C minimum temperature
scattered clouds
12
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
18
°C wind chill
13
kph wind from E

Grand Portage weather for Thursday 28th May 2026

Expect clear skies in Grand Portage, Minnesota with a maximum temperature of 15°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 8 kph from the south.

15
°C maximum temperature
6
°C minimum temperature
clear skies
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
15
°C wind chill
8
kph wind from S

Grand Portage weather for Friday 29th May 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 26°C, low levels of heat & humidity, maximum UV of 6 (High) and 9 hours of bright sunshine. There are 0-2 mm of rainfall expected with 41% chance of some rain and a light breeze of 10 kph from the west.

26
°C maximum temperature
6
°C minimum temperature
isolated thunderstorms
9
hours of sunshine
6
UV index (High)
41
% chance of some rain
<2
mm of rainfall expected
L
low heat & humidity
10
kph wind from W

Grand Portage weather for Saturday 30th May 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 14°C, maximum UV of 7 (High) and 14 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 16 kph from the north-east.

14
°C maximum temperature
6
°C minimum temperature
scattered clouds
14
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
0
no heat & humidity
16
kph wind from NE

Grand Portage weather for Sunday 31st May 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 20°C, maximum UV of 4 (Moderate) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.