Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 19°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Tuesday
25th Aug
19

13

4

4
Wednesday
26th Aug
23

14

6

3
Thursday
27th Aug
21

11

6

5
Friday
28th Aug
18

10

6

4
Saturday
29th Aug
21

10

5

6

5-day weather forecast updated at 04:03 on Tuesday 25th August 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 25th August 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 19°C, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 80% chance of some rain and a light breeze of 9 kph from the south-east.

19
°C maximum temperature
13
°C minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
80
% chance of some rain
<5
mm of rainfall expected
19
°C wind chill
9
kph wind from SE

Grand Portage weather for Wednesday 26th August 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 23°C, maximum UV of 3 (Moderate) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 59% chance of some rain and a gentle breeze of 13 kph from the north-west.

23
°C maximum temperature
14
°C minimum temperature
isolated thunderstorms
6
hours of sunshine
3
UV index (Moderate)
59
% chance of some rain
<2
mm of rainfall expected
23
°C wind chill
13
kph wind from NW

Grand Portage weather for Thursday 27th August 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 21°C, maximum UV of 5 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 11 kph from the north-west.

21
°C maximum temperature
11
°C minimum temperature
broken clouds
6
hours of sunshine
5
UV index (Moderate)
0
mm of rainfall expected
21
°C wind chill
11
kph wind from NW

Grand Portage weather for Friday 28th August 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 18°C, maximum UV of 4 (Moderate) and 6 hours of bright sunshine. There are 0 mm of rainfall expected and a light breeze of 10 kph from the south.

18
°C maximum temperature
10
°C minimum temperature
broken clouds
6
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
0
no heat & humidity
10
kph wind from S

Grand Portage weather for Saturday 29th August 2026

Expect mostly cloudy with light rain in Grand Portage, Minnesota with a maximum temperature of 21°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 0-2 mm of rainfall expected with 43% chance of some rain and a light breeze of 12 kph from the south.