World Resorts USA Grand Marais Weather

Grand Marais weather in October

Weather in Grand Marais: October

Average day temperature: 50.2°F
Average night temperature: 44.4°F
Sea water temperature: 52.4°F
Number of sunny days: 9 days
Day length: 10.0 - 11.6 hours
Number of rainy days: 1 day
Precipitation totals: 0.6 in.

Air temperature in October, °F

Show year:
2026
2025
2024

The highest day temperature during October of 2026 was 63°F. At the same time the lowest night temperature was 39°F. Daily and nightly averages during October were 52.4°F and 46.7°F.

Sea water temperature in Grand Marais in October, °F

Show year:
2026
2025
2024

The average sea water temperature in October of 2026 was 49.9°F. The highest and lowest sea temperatures during the month were 56.5°F and 46.6°F.

Sunny, partly cloudy and cloudy days

Number of sunny, partly cloudy and cloudy days in October is almost equal.

Precipitation total in October, in.

Precipitation total value in Grand Marais in October is 0.6 in. Other months of the year show relatively similar values.

Wind speed in October, mph

The average wind speed value in October is 8.4 mph

Average sunny hours

This chart shows average number of hours during the day when sunlight can reach the ground. It depends on day length and cloudiness during the day. The average number of sunny hours in October is: 5.9.

Best time for vacation in Grand Marais

Sunniest months:
August 14 days
September 13 days
July 12 days
Warmest months:
August 67.8 °F
July 66.6 °F
September 62.0 °F
Warmest sea temp:
August 59.3 °F
September 58.7 °F
October 52.3 °F
Coldest months:
January 18.7 °F
February 19.7 °F
December 24.9 °F
Rainiest months:
August 3 days
April 2 days
July 2 days
Windiest months:
November 10.0 mph
December 9.9 mph
January 9.6 mph

Grand Marais on a weather map

Grand Marais
+46°F
E 16 mph
Feels like: +39°F
Precip.: 4%
Places in USA:
Name
°F
+63°F
+66°F
+77°F
+66°F
+68°F
+84°F
+70°F
+64°F
+68°F
+59°F
+68°F
+82°F
+82°F
+81°F
+66°F
24 Hours Forecast
Grand Marais
Local time: 12:25
October 29, thursday
1500
45°F
E
15 mph
1800
43°F
SE
13 mph
2100
41°F
SE
11 mph
October 30, friday
0000
39°F
SE
8 mph
0300
37°F
SE
6 mph
0600
37°F
E
5 mph
0900
37°F
SE
2 mph
1200
45°F
NE
6 mph
Units of measurement: °C / °F