Measurements:
°C
°F
CURRENT WEATHER
16:05
Duluth
30°F
S 14 mph
Feels like: 16°F
Precip: 0%
World Resorts USA Duluth Weather

7 Day Weather Forecast

03.13
fri
DAY
28°F
S 19 mph
precip
0%
NIGHT
16°F
SE 6 mph
precip
0%
03.14
sat
DAY
26°F
NE 4 mph
precip
0%
NIGHT
24°F
W 11 mph
precip
100%
03.15
sun
DAY
26°F
SW 19 mph
precip
100%
NIGHT
12°F
S 20 mph
precip
0%
03.16
mon
DAY
12°F
S 19 mph
precip
0%
NIGHT
4°F
SE 12 mph
precip
0%
03.17
tue
DAY
8°F
E 3 mph
precip
0%
NIGHT
10°F
N 8 mph
precip
73%
03.18
wed
DAY
20°F
N 5 mph
precip
87%
NIGHT
32°F
E 9 mph
precip
0%
03.19
thu
DAY
32°F
SE 5 mph
precip
23%
NIGHT
24°F
S 4 mph
precip
0%

Duluth Sea Water Temperature in March, °F

Select Year: 2025 2024 2023

The average sea surface temperature in March 2025 for Duluth was 0.7°F. The maximum and minimum values were 0.3°F and 1.5°F respectively.

Duluth on the Weather Map

Best Time to Visit Duluth
The most sunny months:
September 14 days
August 13 days
July 12 days
The most warm months:
July 77.4 °F
August 76.5 °F
June 70.6 °F
Warmest sea temperature:
August 67.6 °F
July 65.4 °F
September 63.7 °F
The most cold months:
January 14.4 °F
February 16.7 °F
December 21.4 °F
The most rainy months:
June 3 days
August 3 days
July 3 days
The most windy months:
April 9 mph
March 8 mph
November 8 mph
more details