World Resorts USA Duluth Weather

Duluth 14 Days Forecast

27.12
sat
Day
34°F
N 7 mph
Precip.
0%
Night
36°F
S 1 mph
Precip.
87%
28.12
sun
Day
30°F
SE 13 mph
Precip.
0%
Night
12°F
S 21 mph
Precip.
100%
29.12
mon
Day
9°F
SE 16 mph
Precip.
0%
Night
5°F
SE 7 mph
Precip.
0%
30.12
tue
Day
12°F
NE 11 mph
Precip.
0%
Night
16°F
SE 12 mph
Precip.
0%
31.12
wed
Day
7°F
SE 9 mph
Precip.
0%
Night
1°F
SE 11 mph
Precip.
0%
01.01
thu
Day
0°F
SE 14 mph
Precip.
0%
Night
-2°F
E 14 mph
Precip.
0%
02.01
fri
Day
5°F
E 11 mph
Precip.
0%
Night
9°F
E 3 mph
Precip.
51%
03.01
sat
Day
18°F
NW 6 mph
Precip.
46%
Night
18°F
SE 5 mph
Precip.
60%
04.01
sun
Day
14°F
SE 13 mph
Precip.
0%
Night
7°F
E 7 mph
Precip.
0%
05.01
mon
Day
9°F
E 4 mph
Precip.
0%
Night
10°F
NW 6 mph
Precip.
0%
06.01
tue
Day
30°F
NE 7 mph
Precip.
29%
Night
23°F
E 4 mph
Precip.
0%
07.01
wed
Day
30°F
SW 11 mph
Precip.
22%
Night
34°F
SW 18 mph
Precip.
100%
08.01
thu
Day
30°F
E 14 mph
Precip.
100%
Night
18°F
SE 19 mph
Precip.
100%
09.01
fri
Day
10°F
SE 11 mph
Precip.
0%
Night
5°F
E 4 mph
Precip.
0%

Sea water temperature in December, °F

Show year:
2025
2024
2023

The average sea water temperature in December of 2025 was 38.5°F. The highest and lowest sea temperatures during the month were 42.3°F and 34.7°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 24.3 °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
+36°F
NE 2 mph
Feels like: +34°F
Precip.: 64%
Places in USA:
Name
°F
+36°F
+75°F
+75°F
+59°F
+59°F
+70°F
+75°F
+70°F
+28°F
+57°F
+52°F
+66°F
+66°F
+70°F
+41°F
24 Hours Forecast
Duluth
Local time: 20:13
December 27, saturday
2100
36°F
NE
2 mph
December 28, sunday
0000
36°F
S
1 mph
0300
36°F
S
4 mph
0600
36°F
S
5 mph
0900
32°F
SE
6 mph
1200
30°F
SE
13 mph
1500
23°F
S
19 mph
1800
19°F
S
17 mph
Units of measurement: °C / °F