Nearby Harbors
47.7539’ N, 90.3353’ W

Grand Marais, MN

40°
H 55°
L 48°
NE
1mph
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Grand Marais, MN Weather Forecast and Current Conditions

Day Sky High / Low Precip Wind Humidity
Fri
Oct 23 		AM Fog/PM Sun
Close Hourly 		55º / 48º 19% ENE 5 mph 91%
6am Foggy 40º 15% NE 1 mph 94%
7am Foggy 40º 15% ENE 0 mph 97%
8am Foggy 42º 15% ENE 1 mph 99%
9am Partly Cloudy 49º 15% ENE 4 mph 90%
10am Partly Cloudy 51º 15% ENE 4 mph 88%
11am Partly Cloudy 52º 16% E 4 mph 88%
12pm Partly Cloudy 52º 17% ENE 3 mph 90%
1pm Partly Cloudy 53º 6% E 2 mph 87%
2pm Partly Cloudy 53º 19% ESE 2 mph 87%
3pm Partly Cloudy 53º 7% E 2 mph 87%
4pm Partly Cloudy 54º 7% E 2 mph 87%
5pm Partly Cloudy 53º 7% ENE 3 mph 89%
6pm Partly Cloudy 52º 9% ENE 4 mph 94%
7pm Partly Cloudy 50º 9% ENE 4 mph 96%
8pm Partly Cloudy 49º 9% ENE 4 mph 98%
9pm Partly Cloudy 50º 8% ENE 4 mph 96%
10pm Mostly Cloudy 50º 8% ENE 5 mph 94%
11pm Cloudy 51º 8% ENE 4 mph 94%
Sat
Oct 24 		Cloudy
View Hourly 		57º / 39º 24% SSW 8 mph 83%
12am Cloudy 51º 15% E 3 mph 93%
1am Showers 51º 39% ESE 2 mph 92%
2am Cloudy 51º 21% ESE 1 mph 92%
3am Cloudy 51º 18% E 2 mph 94%
4am Cloudy 51º 9% ESE 3 mph 92%
5am Cloudy 51º 15% ESE 3 mph 91%
6am Cloudy 51º 18% E 5 mph 89%
7am Cloudy 50º 9% ESE 3 mph 91%
8am Cloudy 50º 24% SE 4 mph 93%
9am Mostly Cloudy 53º 16% SE 4 mph 87%
10am Cloudy 55º 17% SSE 5 mph 80%
11am Mostly Cloudy 56º 15% S 7 mph 79%
12pm Mostly Cloudy 57º 15% SSW 8 mph 77%
1pm Mostly Cloudy 57º 15% SSW 7 mph 76%
2pm Cloudy 57º 15% SSW 7 mph 78%
3pm Mostly Cloudy 57º 22% WSW 6 mph 81%
4pm Cloudy 56º 20% WSW 7 mph 82%
5pm Cloudy 55º 24% WSW 6 mph 85%
6pm Few Showers 55º 34% WSW 7 mph 87%
7pm Cloudy 55º 24% W 6 mph 87%
8pm Cloudy 54º 16% W 6 mph 87%
9pm Cloudy 54º 16% WNW 7 mph 82%
10pm Cloudy 54º 15% NW 8 mph 77%
11pm Cloudy 53º 4% NW 8 mph 72%
Sun
Oct 25 		Partly Cloudy
View Hourly 		51º / 34º 1% WNW 9 mph 53%
12am Mostly Cloudy 50º 3% NW 6 mph 66%
1am Mostly Cloudy 49º 2% NW 5 mph 64%
2am Mostly Cloudy 46º 1% NW 5 mph 64%
3am Partly Cloudy 45º 1% NW 6 mph 65%
4am Partly Cloudy 43º 1% NW 6 mph 65%
5am Partly Cloudy 42º 1% WNW 4 mph 66%
Mon
Oct 26 		Mostly Cloudy 43º / 35º 2% NE 5 mph 61%
Tue
Oct 27 		Showers 42º / 40º 56% E 10 mph 86%
Wed
Oct 28 		Rain 49º / 41º 66% SE 9 mph 95%
Thu
Oct 29 		Partly Cloudy 46º / 36º 15% WNW 12 mph 70%
Fri
Oct 30 		Partly Cloudy 45º / 37º 16% N 6 mph 68%

Weather Radar for Grand Marais, MN See Radar

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* Playback displays weather for the past 6 hours.

NOAA Weather Marine Forecast for Grand Marais, MN

Friday
High : 54ºF
Variable winds 5 kt or less. Partly sunny. Waves 1 ft or less.
Friday Night
Low : 53ºF
Variable winds 5 kt or less. A chance of showers, mainly between 2am and 3am. Waves 1 ft or less.
Saturday
High : 58ºF
E wind 10 to 15 kt becoming SW in the afternoon. A chance of showers, mainly after 4pm. Waves around 2 ft.
Saturday Night
Low : 44ºF
WNW wind 5 to 10 kt, with gusts as high as 15 kt. A chance of showers, mainly before 8pm. Waves 1 to 2 ft.
Sunday
High : 51ºF
W wind 5 to 10 kt, with gusts as high as 20 kt. Mostly sunny. Waves 1 ft or less.
Sunday Night
Low : 37ºF
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Monday
High : 44ºF
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Monday Night
Low : 35ºF
Variable winds 5 kt or less. Mostly cloudy. Waves 1 ft or less.
Tuesday
High : 45ºF
E wind around 10 kt. A chance of showers. Waves 1 ft or less.

NOAA Buoy Data Near Grand Marais, MN See Map

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    Wind Speed Forecast for Grand Marais, MN

    FridaySaturdaySunday
    Wind Speed (MPH) 142451557785
    11am3pm7pm11pm3am7am11am3pm7pm11pm3am7am
    MPH 142451557785
    DIR NEENEESEENEENEESEESSESSWWSWNWNW

    Current Weather Conditions In Grand Marais, MN

    As Of: 55 minutes ago

    • 40ºF
    • 40ºF
    • 1mph
    • 0º (NE)
    • 1mph
    • Foggy
    • 0mi
    • 30.21"
    • 94%
    • 0ºF

    The weather right now in Grand Marais, MN is Foggy. The current temperature is 40°F, and the expected high and low for today, Friday, October 23, 2026, are 55° high temperature and 48°F low temperature. The wind is currently blowing at 1 miles per hour, and coming from the Northeast. The wind is gusting to 1 mph. With the wind and the atmosphere the temperature feels like 40° Fahrenheit. Expected precipitation is 15 percent, with current humidity at 94 percent, and air pressure at 30.21 in. Visibility is 0.5 nautical miles. There are 2 current weather alert(s).

    Weather Alerts
    Dense Fog Advisory - 3:35am Fri Oct 23 2026

    ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...

    WHAT: Visibility one quarter mile or less in dense fog.

    WHERE: In Minnesota, Carlton and South St. Louis, Southern Cook,
    and Southern Lake Counties. In Wisconsin, Ashland, Bayfield, and
    Douglas Counties.

    WHEN: Until 10 AM CDT this morning.

    IMPACTS: Low visibility could make driving conditions hazardous.

    ADDITIONAL DETAILS: The worst conditions will be found close to
    and around Lake Superior, as well as in the St. Louis River valley.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    If driving, slow down, use your low-beam headlights and fog lights,
    and leave plenty of distance ahead of you.

    &&

    Dense Fog Advisory - 12:04am Fri Oct 23 2026

    ...DENSE FOG ADVISORY REMAINS IN EFFECT UNTIL 10 AM CDT THIS MORNING...

    WHAT: Dense fog will reduce visibility to 1/4 NM or less.

    WHERE: Grand Portage to Grand Marais MN, Grand Marais to
    Taconite Harbor MN, Taconite Harbor to Silver Bay Harbor MN
    and Silver Bay Harbor to Two Harbors MN.

    WHEN: Until 10 AM CDT this morning.

    IMPACTS: Low visibility will make navigation difficult.

    PRECAUTIONARY / PREPAREDNESS ACTIONS:

    If you must navigate, proceed with caution. Use proper fog
    signals. Make sure all running lights are on. Remember to use
    your radar and compass.

    &&

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