Grand Marais, MN

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he entrance to the harbor on the north shore of Lake Superior at Grand Marais, Cook County, Minnesota.

Today’s Forecast:

🌤
60°F
High: 60° | Low: 52°
Current Temperature
Station: KGNA
Observed at: 9:56 pm CDT on 9/26/26
Wind: 7 mph | Humidity: 78%

Tonight:A slight chance of rain showers after 1am. Mostly cloudy, with a low around 52. Southeast wind around 5 mph. Chance of precipitation is 20%. New rainfall amounts less than a tenth of an inch possible.
Sunday:A chance of rain showers before 1pm. Partly sunny, with a high near 58. Southwest wind 0 to 5 mph. Chance of precipitation is 30%. New rainfall amounts less than a tenth of an inch possible.
Sunday Night:Mostly clear. Low around 51, with temperatures rising to around 53 overnight. Northwest wind 5 to 10 mph.

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Today’s Report:

🥾 Hiking

Excellent
  96 /100

Excellent for hiking. High near 58°F. Risk of rain later today (30%).

  • Temp: Favorable conditions
  • Rain: Marginal weather factor
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for hiking. Comfortable temperature (high near 57°F), light wind, and clear forecast.

🛶 Paddling

  12 /100

Not Recommended for paddling. High near 58°F. Risk of rain later today (30%). Temperatures outside comfort limits (58°F).

  • Temp: Unfavorable weather factor
  • Rain: Marginal weather factor
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Not Recommended 23/100
Not Recommended for paddling. High near 57°F. Temperatures outside comfort limits (57°F).

🎪 Outdoor Events / Activities

Use Caution
  44 /100

Use Caution for outdoor events / activities. High near 58°F. Risk of rain later today (30%).

  • Temp: Marginal weather factor
  • Rain: Marginal weather factor
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 85/100
Ideal conditions for outdoor events / activities. Comfortable temperature (high near 57°F), light wind, and clear forecast.

🐟 Fishing

Excellent
  100 /100

Excellent for fishing. High near 58°F. Low rain risk (30%).

  • Temp: Favorable conditions
  • Rain: Favorable conditions
  • Wind: Favorable conditions
  • Thunderstorm: Favorable conditions
Tomorrow's Outlook:
Excellent 100/100
Ideal conditions for fishing. Comfortable temperature (high near 57°F), light wind, and clear forecast.


About Grand Marais

Grand Marais is a North Shore harbor town with Lake Superior views, trail access, paddling outfitters, arts events, nearby forests, and gateway routes toward the Gunflint Trail.

Make the Most of a Grand Marais Day

Start with lake wind and fog, then decide whether the day belongs on harbor walks, nearby hikes, protected paddling, or town events.

Weather Tips for Grand Marais

  • Lake Superior cold, fog, waves, and sudden wind shifts are central to planning.
  • Wind, waves, current, and lightning should guide water plans more than sunshine alone.
  • After steady rain, favor paved paths, overlooks, visitor centers, or town-based plans until trails and launch areas recover.
  • Check both temperature and wind, because Minnesota lake, river, prairie, and bluff destinations can feel very different from the nearest city forecast.

Plan Around the Conditions

Use the forecast to choose the best version of Grand Marais rather than forcing one itinerary. Match wind, rain timing, temperature, water conditions, and trail surfaces to the activity that gives your group the most comfortable day.

7-Day Forecast for Grand Marais

🌤
60°F
High: 60° | Low: 52°
Current Temperature
Station: KGNA
Observed at: 9:56 pm CDT on 9/26/26
Wind: 7 mph | Humidity: 78%
Sun 🌧
58° 51°
30%
Mon ⛅
58° 51°
0%
Tue ⛈
58° 53°
76%
Wed 🌧
61° 52°
21%
Thu 🌧
61° 47°
17%
Fri ⛅
56° 45°
9%
Sat 🌧
55° --°
18%

7-Day High Temperature Trend

58° Sun 58° Mon 58° Tue 61° Wed 61° Thu 56° Fri 55° Sat

7-Day Low Temperature Trend

51° Sun 51° Mon 53° Tue 52° Wed 47° Thu 45° Fri 50° Sat

📊 7-Day Outdoor Outlook

Good Fair Poor 96 Sun 100 Mon 21 Tue 100 Wed 100 Thu 100 Fri 100 Sat
Forecast data from the National Weather Service  |  Last Updated: September 26, 2026 11:25 pm CDT