Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 57°F. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Wednesday
13th May
57

37

11

4
Thursday
14th May
54

39

7

6
Friday
15th May
66

45

8

6
Saturday
16th May
59

41

7

7
Sunday
17th May
50

39

1

5

5-day weather forecast updated at 04:02 on Wednesday 13th 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 13th May 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 57°F, maximum UV of 4 (Moderate) and 11 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 mph from the north-west.

57
°F maximum temperature
37
°F minimum temperature
scattered clouds
11
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
mph wind from NW

Grand Portage weather for Thursday 14th May 2026

Expect sunshine and showers in Grand Portage, Minnesota with a maximum temperature of 54°F, maximum UV of 6 (High) and 7 hours of bright sunshine. There are 0-2 mm of rainfall expected with 65% chance of some rain and a light breeze of 6 mph from the south-east.

54
°F maximum temperature
39
°F minimum temperature
sunshine and showers
7
hours of sunshine
6
UV index (High)
65
% chance of some rain
<2
mm of rainfall expected
54
°F wind chill
6
mph wind from SE

Grand Portage weather for Friday 15th May 2026

Expect sunshine and showers in Grand Portage, Minnesota with a maximum temperature of 66°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 29% chance of some rain and a gentle breeze of 12 mph from the south-west.

66
°F maximum temperature
45
°F minimum temperature
sunshine and showers
8
hours of sunshine
6
UV index (High)
29
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
mph wind from SW

Grand Portage weather for Saturday 16th May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 59°F, maximum UV of 7 (High) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a moderate breeze of 14 mph from the west.

59
°F maximum temperature
41
°F minimum temperature
broken clouds
7
hours of sunshine
7
UV index (High)
0
mm of rainfall expected
59
°F wind chill
14
mph wind from W

Grand Portage weather for Sunday 17th May 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 50°F, maximum UV of 5 (Moderate) and 1 hour of bright sunshine. There are 5-10 mm of rainfall expected with 56% chance of some rain and a gentle breeze of 10 mph from the east.