Weather for Grand Marais, Minnesota
Current Weather
54°F
Conditions: Sunny
Humidity: 64%
Feels Like: 52.7°F
Wind: SE 5.4 mph
Wind Gusts: 6.2 mph
Humidity: 64%
Feels Like: 52.7°F
Wind: SE 5.4 mph
Wind Gusts: 6.2 mph
Pressure: 30.26 in
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 1.8
Precipitation: 0 in
Cloud Cover: 0%
Visibility: 6 mi
UV Index: 1.8
Five Day Weather Forecast
Wed
H: 51°F
L: 41°F
Thu
H: 43°F
L: 39°F
Fri
H: 45°F
L: 39°F
Sat
H: 43°F
L: 31°F
Sun
H: 47°F
L: 33°F
Air Quality
AQI:
1 - Good
PM2.5:
1.78 μg/m3
PM10:
1.78 μg/m3
Carbon Monoxide: 166.68 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 72 μg/m3
Nitrogen Dioxide: 1.68 μg/m3
Sulphur Dioxide: 0.88 μg/m3
Ozone: 72 μg/m3
Astronomical
Sunrise: 7:42 AM
Sun Transit: 12:45 AM
Sunset: 5:48 PM
Daylight: 10 hrs 6 mins
Sun Transit: 12:45 AM
Sunset: 5:48 PM
Daylight: 10 hrs 6 mins
Moonrise: 2:57 PM
Moon Transit: 7:23 PM
Moonset: 11:59 PM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Moon Transit: 7:23 PM
Moonset: 11:59 PM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
6:25 AM - 8:55 AM6:53 PM - 9:23 PM
Minor Periods
12:00 AM - 12:00 AM2:27 PM - 3:57 PM
Action Rating: 2 out of 5
Special Weather Statement issued October 29 at 6:43AM CDT by NWS Duluth MN
Effective: Wed October 29, 2025, 6:43 AM
Expires: Wed October 29, 2025, 10:00 AM
Patchy fog, locally dense in spots, with a visibility of 1/4 mile or less, has developed across portions of north-central Minnesota and northwest Wisconsin early this morning. Air temperatures were hovering around or a few degrees below freezing as well, therefore some icy spots are also possible. Motorists, including morning commuters, should allow for a little extra time to reach your destination, slow down, and use your low beam headlights if you encounter dense fog. The fog should burn off by 10 am.
Wednesday, October 29, 2025
Weather Forecast
Conditions: Sunny
Average Temperature: 45.5°F
Average Humidity: 80%
Average Temperature: 45.5°F
Average Humidity: 80%
Chance of Rain: 0%
Wind: 5.8 mph
UV Index: 0.4
Wind: 5.8 mph
UV Index: 0.4
Air Quality
AQI:
1 - Good
PM2.5:
1.76 μg/m3
PM10:
1.77 μg/m3
Carbon Monoxide: 161.76 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 70.88 μg/m3
Nitrogen Dioxide: 2.12 μg/m3
Sulphur Dioxide: 1.17 μg/m3
Ozone: 70.88 μg/m3
Astronomical
Sunrise: 7:42 AM
Sun Transit: 12:45 AM
Sunset: 5:48 PM
Daylight: 10 hrs 6 mins
Sun Transit: 12:45 AM
Sunset: 5:48 PM
Daylight: 10 hrs 6 mins
Moonrise: 2:57 PM
Moon Transit: 7:23 PM
Moonset: 11:59 PM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Moon Transit: 7:23 PM
Moonset: 11:59 PM
Moon Phase: First Quarter
Moon Illumination: 52.5%
Best Times for Fishing or Hunting
Major Periods
6:25 AM - 8:55 AM6:53 PM - 9:23 PM
Minor Periods
12:00 AM - 12:00 AM2:27 PM - 3:57 PM
Action Rating: 2 out of 5
Thursday, October 30, 2025
Weather Forecast
Conditions: Overcast
Average Temperature: 41°F
Average Humidity: 86%
Average Temperature: 41°F
Average Humidity: 86%
Chance of Rain: 0%
Wind: 5.1 mph
UV Index: 0.4
Wind: 5.1 mph
UV Index: 0.4
Air Quality
AQI:
1 - Good
PM2.5:
2.08 μg/m3
PM10:
2.11 μg/m3
Carbon Monoxide: 160.16 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 80.48 μg/m3
Nitrogen Dioxide: 1.24 μg/m3
Sulphur Dioxide: 0.85 μg/m3
Ozone: 80.48 μg/m3
Astronomical
Sunrise: 7:43 AM
Sun Transit: 12:44 AM
Sunset: 5:46 PM
Daylight: 10 hrs 3 mins
Sun Transit: 12:44 AM
Sunset: 5:46 PM
Daylight: 10 hrs 3 mins
Moonrise: 3:19 PM
Moon Transit: 8:11 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Moon Transit: 8:11 PM
Moonset: 12:59 AM
Moon Phase: First Quarter
Moon Illumination: 63.7%
Best Times for Fishing or Hunting
Major Periods
7:14 AM - 9:44 AM7:41 PM - 10:11 PM
Minor Periods
2:49 PM - 4:19 PM12:00 AM - 12:00 AM
Action Rating: 3 out of 5
Friday, October 31, 2025
Weather Forecast
Conditions: Cloudy
Average Temperature: 40.7°F
Average Humidity: 81%
Average Temperature: 40.7°F
Average Humidity: 81%
Chance of Rain: 0%
Wind: 9.6 mph
UV Index: 0.3
Wind: 9.6 mph
UV Index: 0.3
Air Quality
AQI:
1 - Good
PM2.5:
3.52 μg/m3
PM10:
3.56 μg/m3
Carbon Monoxide: 153.8 μg/m3
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 79.92 μg/m3
Nitrogen Dioxide: 1.22 μg/m3
Sulphur Dioxide: 1.1 μg/m3
Ozone: 79.92 μg/m3
Astronomical
Sunrise: 7:45 AM
Sun Transit: 12:44 AM
Sunset: 5:44 PM
Daylight: 10 hrs mins
Sun Transit: 12:44 AM
Sunset: 5:44 PM
Daylight: 10 hrs mins
Moonrise: 3:37 PM
Moon Transit: 8:58 PM
Moonset: 1:15 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Moon Transit: 8:58 PM
Moonset: 1:15 AM
Moon Phase: First Quarter
Moon Illumination: 74.1%
Best Times for Fishing or Hunting
Major Periods
8:02 AM - 10:32 AM8:28 PM - 10:58 PM
Minor Periods
3:07 PM - 4:37 PM12:45 AM - 2:15 AM
Action Rating: 3 out of 5
Saturday, November 1, 2025
Weather Forecast
Conditions: Partly Cloudy
Average Temperature: 37.4°F
Average Humidity: 66%
Average Temperature: 37.4°F
Average Humidity: 66%
Chance of Rain: 0%
Wind: 8.9 mph
UV Index: 0.3
Wind: 8.9 mph
UV Index: 0.3
Air Quality
AQI:
1 - Good
PM2.5:
1.07 μg/m3
PM10:
1.09 μg/m3
Carbon Monoxide: 138.92 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 65.08 μg/m3
Nitrogen Dioxide: 1 μg/m3
Sulphur Dioxide: 0.77 μg/m3
Ozone: 65.08 μg/m3
Astronomical
Sunrise: 7:46 AM
Sun Transit: 12:44 AM
Sunset: 5:43 PM
Daylight: 9 hrs 57 mins
Sun Transit: 12:44 AM
Sunset: 5:43 PM
Daylight: 9 hrs 57 mins
Moonrise: 3:54 PM
Moon Transit: 9:45 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Moon Transit: 9:45 PM
Moonset: 2:34 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 83.4%
Best Times for Fishing or Hunting
Major Periods
8:49 AM - 11:19 AM9:15 PM - 11:45 PM
Minor Periods
3:24 PM - 4:54 PM2:04 AM - 3:34 AM
Action Rating: 2 out of 5
Sunday, November 2, 2025
Weather Forecast
Conditions: Patchy rain nearby
Average Temperature: 40.3°F
Average Humidity: 79%
Average Temperature: 40.3°F
Average Humidity: 79%
Chance of Rain: 80%
Wind: 20.4 mph
UV Index: 0
Wind: 20.4 mph
UV Index: 0
Air Quality
AQI:
1 - Good
PM2.5:
4.08 μg/m3
PM10:
4.15 μg/m3
Carbon Monoxide: 146.68 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 68.15 μg/m3
Nitrogen Dioxide: 2.03 μg/m3
Sulphur Dioxide: 1.18 μg/m3
Ozone: 68.15 μg/m3
Astronomical
Sunrise: 7:48 AM
Sun Transit: 12:44 AM
Sunset: 5:41 PM
Daylight: 9 hrs 53 mins
Sun Transit: 12:44 AM
Sunset: 5:41 PM
Daylight: 9 hrs 53 mins
Moonrise: 4:11 PM
Moon Transit: 11:31 AM
Moonset: 3:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Moon Transit: 11:31 AM
Moonset: 3:53 AM
Moon Phase: Waxing Gibbous
Moon Illumination: 90.9%
Best Times for Fishing or Hunting
Major Periods
11:01 AM - 1:31 PM11:01 AM - 1:31 PM
Minor Periods
3:41 PM - 5:11 PM3:23 AM - 4:53 AM
Action Rating: 2 out of 5
The times presented here are based upon the solunar theory, which is the idea that the movements of
fish and other animals are affected by the location of the sun and moon. The major periods are
believed to be the times of the greatest animal activity and occur when the moon is directly
overhead or underfoot (lunar transits). The minor periods also see increased activity and
occur when the moon is rising or setting. The strongest activity occurs during full or new moons,
and the weakest during quarter or three quarter moons. This is indicated by the Action Rating.