Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 15°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Friday
18th Sep
15

5

5

3
Saturday
19th Sep
17

7

2

4
Sunday
20th Sep
16

6

5

4
Monday
21st Sep
14

4

5

2
Tuesday
22nd Sep
15

3

5

4

5-day weather forecast updated at 04:03 on Friday 18th September 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 Friday 18th September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 15°C, maximum UV of 3 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 12 kph from the east.

15
°C maximum temperature
5
°C minimum temperature
broken clouds
5
hours of sunshine
3
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
12
kph wind from E

Grand Portage weather for Saturday 19th September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 17°C, maximum UV of 4 (Moderate) and 2 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 7 kph from the south-east.

17
°C maximum temperature
7
°C minimum temperature
broken clouds
2
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
7
kph wind from SE

Grand Portage weather for Sunday 20th September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 16°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 17 kph from the north-east.

16
°C maximum temperature
6
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
16
°C wind chill
17
kph wind from NE

Grand Portage weather for Monday 21st September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 14°C, maximum UV of 2 (Low) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 14 kph from the east.

14
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
2
UV index (Low)
0
mm of rainfall expected
0
no heat & humidity
14
kph wind from E

Grand Portage weather for Tuesday 22nd September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 15°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 east.