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.

Saturday
19th Sep
18

9

5

4
Sunday
20th Sep
14

5

5

4
Monday
21st Sep
14

4

5

4
Tuesday
22nd Sep
15

3

8

4
Wednesday
23rd Sep
15

5

7

5

5-day weather forecast updated at 04:03 on Saturday 19th 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 Saturday 19th September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the south-east.

18
°C maximum temperature
9
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
18
°C wind chill
9
kph wind from SE

Grand Portage weather for Sunday 20th September 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 14°C, maximum UV of 4 (Moderate) and 5 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 18 kph from the north-east.

14
°C maximum temperature
5
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
18
kph wind from NE

Grand Portage weather for Monday 21st September 2026

14
°C maximum temperature
4
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
14
°C wind chill
11
kph wind from E

Grand Portage weather for Tuesday 22nd September 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 15°C, maximum UV of 4 (Moderate) and 8 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 9 kph from the east.

15
°C maximum temperature
3
°C minimum temperature
scattered clouds
8
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
15
°C wind chill
9
kph wind from E

Grand Portage weather for Wednesday 23rd September 2026

Expect scattered clouds in Grand Portage, Minnesota with a maximum temperature of 15°C, maximum UV of 5 (Moderate) and 7 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south-east.