Grand Portage weather live forecast

Today's maximum temperature in Grand Portage is expected to be 9°C. Select a day from the live weather forecast for Grand Portage, Minnesota, USA for more weather parameters.

Sunday
17th May
9

3

5

6
Monday
18th May
10

4

0

3
Tuesday
19th May
6

0

0

4
Wednesday
20th May
9

0

5

4
Thursday
21st May
14

0

4

6

5-day weather forecast updated at 04:02 on Sunday 17th May 2026 GMT

More about Grand Portage

Grand Portage by month

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec

Recommended for Minnesota

GO Airport Shuttle discount code: 5% off airport transfers

Discount Code

Save EXTRA 5% on airport transfers worldwide
Book private taxis & shuttle buses with discount code
Enter in coupon box on 'Reservations' page

Show discount code

******WEB

Redeem GO Airport Shuttle discount code >>

Expires at 23:59 on Thursday 31st Dec 2026

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 Sunday 17th May 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 9°C, maximum UV of 6 (High) and 5 hours of bright sunshine. There are 5-10 mm of rainfall expected with 94% chance of some rain and a moderate breeze of 20 kph from the north-east.

9
°C maximum temperature
3
°C minimum temperature
isolated thunderstorms
5
hours of sunshine
6
UV index (High)
94
% chance of some rain
<10
mm of rainfall expected
6
°C wind chill
20
kph wind from NE

Grand Portage weather for Monday 18th May 2026

Expect isolated thunderstorms in Grand Portage, Minnesota with a maximum temperature of 10°C, maximum UV of 3 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 68% chance of some rain and a moderate breeze of 21 kph from the north-east.

10
°C maximum temperature
4
°C minimum temperature
isolated thunderstorms
0
hours of sunshine
3
UV index (Moderate)
68
% chance of some rain
<20
mm of rainfall expected
7
°C wind chill
21
kph wind from NE

Grand Portage weather for Tuesday 19th May 2026

Expect mostly cloudy with rain in Grand Portage, Minnesota with a maximum temperature of 6°C, maximum UV of 4 (Moderate) and no hours of bright sunshine. There are 10-20 mm of rainfall expected with 47% chance of some rain and a moderate breeze of 24 kph from the north.

6
°C maximum temperature
0
°C minimum temperature
mostly cloudy with rain
0
hours of sunshine
4
UV index (Moderate)
47
% chance of some rain
<20
mm of rainfall expected
2
°C wind chill
24
kph wind from N

Grand Portage weather for Wednesday 20th May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 9°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 north-west.

9
°C maximum temperature
0
°C minimum temperature
broken clouds
5
hours of sunshine
4
UV index (Moderate)
0
mm of rainfall expected
7
°C wind chill
13
kph wind from NW

Grand Portage weather for Thursday 21st May 2026

Expect broken clouds in Grand Portage, Minnesota with a maximum temperature of 14°C, maximum UV of 6 (High) and 4 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 15 kph from the south.