Grand Marais weather live forecast

Today's maximum temperature in Grand Marais is expected to be 66°F. Select a day from the live weather forecast for Grand Marais, Michigan, USA for more weather parameters.

Wednesday
19th Aug
66

59

13

6
Thursday
20th Aug
70

57

6

6
Friday
21st Aug
70

64

4

4
Saturday
22nd Aug
64

61

4

4
Sunday
23rd Aug
64

59

8

6

5-day weather forecast updated at 04:03 on Wednesday 19th August 2026 GMT

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The 5-day weather forecast for Michigan (Grand Marais) is provided by the Swiss meteorological agency, meteoblue. Find out more about our data sources.

Grand Marais weather forecast by day

Below are the detailed weather forecasts for Grand Marais for the next 5 days.

Grand Marais weather for Wednesday 19th August 2026

Expect clear skies in Grand Marais, Michigan with a maximum temperature of 66°F, maximum UV of 6 (High) and 13 hours of bright sunshine. There are 0 mm of rainfall expected and a gentle breeze of 8 mph from the north-west.

66
°F maximum temperature
59
°F minimum temperature
clear skies
13
hours of sunshine
6
UV index (High)
0
mm of rainfall expected
66
°F wind chill
8
mph wind from NW

Grand Marais weather for Thursday 20th August 2026

Expect sunshine and showers in Grand Marais, Michigan with a maximum temperature of 70°F, maximum UV of 6 (High) and 6 hours of bright sunshine. There are 0-2 mm of rainfall expected with 25% chance of some rain and a light breeze of 6 mph from the south.

70
°F maximum temperature
57
°F minimum temperature
sunshine and showers
6
hours of sunshine
6
UV index (High)
25
% chance of some rain
<2
mm of rainfall expected
0
no heat & humidity
6
mph wind from S

Grand Marais weather for Friday 21st August 2026

Expect isolated thunderstorms in Grand Marais, Michigan with a maximum temperature of 70°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 10-20 mm of rainfall expected with 66% chance of some rain and a gentle breeze of 8 mph from the south.

70
°F maximum temperature
64
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
66
% chance of some rain
<20
mm of rainfall expected
70
°F wind chill
8
mph wind from S

Grand Marais weather for Saturday 22nd August 2026

Expect isolated thunderstorms in Grand Marais, Michigan with a maximum temperature of 64°F, maximum UV of 4 (Moderate) and 4 hours of bright sunshine. There are 2-5 mm of rainfall expected with 35% chance of some rain and a gentle breeze of 12 mph from the north-west.

64
°F maximum temperature
61
°F minimum temperature
isolated thunderstorms
4
hours of sunshine
4
UV index (Moderate)
35
% chance of some rain
<5
mm of rainfall expected
0
no heat & humidity
12
mph wind from NW

Grand Marais weather for Sunday 23rd August 2026

Expect sunshine and showers in Grand Marais, Michigan with a maximum temperature of 64°F, maximum UV of 6 (High) and 8 hours of bright sunshine. There are 2-5 mm of rainfall expected with 12% chance of some rain and a moderate breeze of 13 mph from the north-west.