World Resorts USA Duluth Weather

Duluth 7 Days Forecast

26.12
fri
Day
34°F
SE 5 mph
Precip.
0%
Night
25°F
W 2 mph
Precip.
0%
27.12
sat
Day
30°F
NW 7 mph
Precip.
100%
Night
32°F
NE 2 mph
Precip.
0%
28.12
sun
Day
32°F
SE 13 mph
Precip.
0%
Night
10°F
SE 15 mph
Precip.
0%
29.12
mon
Day
7°F
SE 14 mph
Precip.
0%
Night
10°F
E 5 mph
Precip.
0%
30.12
tue
Day
18°F
NE 4 mph
Precip.
100%
Night
18°F
E 6 mph
Precip.
0%
31.12
wed
Day
21°F
E 2 mph
Precip.
100%
Night
16°F
S 7 mph
Precip.
0%
01.01
thu
Day
9°F
SE 10 mph
Precip.
0%
Night
1°F
SE 11 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 38.6°F. The highest and lowest sea temperatures during the month were 42.3°F and 35.1°F.

Sea water temperature in January, °F

Show year:
2025
2024
2023

The average sea water temperature in January of 2025 was 34.3°F. The highest and lowest sea temperatures during the month were 36.3°F and 33.1°F.

Air temperature in Duluth, °F

Precipitation total in Duluth, in.

* Charts above show average data for the last 3 years.

Best time for vacation in Duluth

Sunniest months:
September 14 days
August 13 days
July 12 days
Warmest months:
July 74.7 °F
August 73.8 °F
June 68.5 °F
Warmest sea temp:
August 65.9 °F
July 63.8 °F
September 62.4 °F
Coldest months:
January 18.5 °F
February 18.9 °F
December 25.2 °F
Rainiest months:
June 3 days
August 3 days
July 3 days
Windiest months:
April 8.9 mph
March 8.4 mph
November 8.3 mph

Duluth on a weather map

Duluth
+32°F
E 1 mph
Feels like: +28°F
Precip.: 73%
Places in USA:
Name
°F
+32°F
+72°F
+72°F
+45°F
+59°F
+64°F
+68°F
+64°F
+21°F
+55°F
+48°F
+61°F
+59°F
+68°F
+43°F
24 Hours Forecast
Duluth
Local time: 07:08
December 26, friday
0900
34°F
E
3 mph
1200
34°F
SE
5 mph
1500
34°F
SE
7 mph
1800
30°F
SE
6 mph
2100
27°F
S
3 mph
December 27, saturday
0000
25°F
W
2 mph
0300
25°F
N
6 mph
0600
27°F
W
4 mph
Units of measurement: °C / °F