Grand Marais, MI Weather Forecast
Local 7-day forecast
Mostly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Grand Marais, MI in one place.
Mostly sunny, with a high near 66. North wind around 5 mph.
Local Weather Overview
This forecast page for Grand Marais, MI is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Sep 15, 2026 10:22 AM EDT.
The active forecast window currently covers Sep 16 to Sep 21, 2026 for Grand Marais, MI.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Sep 16 to Sep 21, 2026
- Latest sync
- Sep 15, 2026 10:22 AM EDT
- Forecast office
- MQT
- Source
- NOAA / NWS
Daily Outlook
This Week in Grand Marais
Thursday looks like the warmest upcoming period in Grand Marais at 70 degrees F.
Sunday Night is the coolest period ahead with temperatures near 48 degrees F.
The strongest winds are forecast for Saturday at about 10 to 15 mph E.
Precipitation is mentioned in 3 upcoming forecast periods.
Forecast Details
- Last updated
- Sep 15, 2026 10:22 AM EDT
- Coverage
- 6 days
- Time zone
- America/Detroit
- Forecast office
- MQT
- Radar station
- KMQT
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Mostly cloudy. Low around 49, with temperatures rising to around 52 overnight. Southeast wind 0 to 5 mph.
Mostly sunny. High near 70, with temperatures falling to around 67 in the afternoon. West wind 5 to 10 mph.
Partly cloudy, with a low around 49.
Partly sunny, with a high near 67.
A chance of rain showers after 8pm. Mostly cloudy, with a low around 50.
Rain showers likely. Mostly cloudy, with a high near 67.
A chance of rain showers before 2am. Mostly cloudy, with a low around 50.
Partly sunny, with a high near 65.
Partly cloudy, with a low around 48.
Mostly sunny, with a high near 67.
Mostly clear, with a low around 48.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Wednesday
Sep 16
|
Mostly Sunny
|
66°F |
5 mph
N
|
|
Wednesday Night
Sep 16
|
Mostly Cloudy
|
49°F |
0 to 5 mph
SE
|
|
Thursday
Sep 17
|
Mostly Sunny
|
70°F |
5 to 10 mph
W
|
|
Thursday Night
Sep 17
|
Partly Cloudy
|
49°F |
5 to 10 mph
N
|
|
Friday
Sep 18
|
Partly Sunny
|
67°F |
5 to 10 mph
NE
|
|
Friday Night
Sep 18
|
Chance Rain Showers
|
50°F |
5 to 10 mph
E
|
|
Saturday
Sep 19
|
Rain Showers Likely
|
67°F |
10 to 15 mph
E
|
|
Saturday Night
Sep 19
|
Chance Rain Showers
|
50°F |
10 to 15 mph
NE
|
|
Sunday
Sep 20
|
Partly Sunny
|
65°F |
15 mph
NE
|
|
Sunday Night
Sep 20
|
Partly Cloudy
|
48°F |
5 to 15 mph
NE
|
|
Monday
Sep 21
|
Mostly Sunny
|
67°F |
5 to 10 mph
NE
|
|
Monday Night
Sep 21
|
Mostly Clear
|
48°F |
5 mph
E
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Grand Marais.