29.04
wed
wed
Day
43°F
SE 9 mph
Precip.
0%
0%
Night
32°F
S 6 mph
Precip.
0%
0%
30.04
thu
thu
Day
45°F
S 6 mph
Precip.
0%
0%
Night
32°F
SW 5 mph
Precip.
0%
0%
01.05
fri
fri
Day
41°F
W 8 mph
Precip.
0%
0%
Night
30°F
SW 3 mph
Precip.
0%
0%
02.05
sat
sat
Day
50°F
SE 2 mph
Precip.
0%
0%
Night
39°F
SE 2 mph
Precip.
0%
0%
03.05
sun
sun
Day
57°F
SE 8 mph
Precip.
0%
0%
Night
43°F
SE 7 mph
Precip.
0%
0%
04.05
mon
mon
Day
59°F
NE 13 mph
Precip.
0%
0%
Night
39°F
NE 7 mph
Precip.
0%
0%
05.05
tue
tue
Day
46°F
SE 8 mph
Precip.
27%
27%
Night
36°F
W 4 mph
Precip.
0%
0%
06.05
wed
wed
Day
46°F
NW 4 mph
Precip.
0%
0%
Night
39°F
SW 5 mph
Precip.
0%
0%
07.05
thu
thu
Day
45°F
SE 11 mph
Precip.
73%
73%
Night
39°F
SE 9 mph
Precip.
0%
0%
08.05
fri
fri
Day
46°F
S 7 mph
Precip.
0%
0%
Night
39°F
E 3 mph
Precip.
0%
0%
09.05
sat
sat
Day
50°F
SE 3 mph
Precip.
0%
0%
Night
39°F
SW 4 mph
Precip.
0%
0%
10.05
sun
sun
Day
45°F
SW 12 mph
Precip.
48%
48%
Night
41°F
W 22 mph
Precip.
100%
100%
11.05
mon
mon
Day
43°F
SW 11 mph
Precip.
100%
100%
Night
41°F
E 12 mph
Precip.
100%
100%
12.05
tue
tue
Day
37°F
NE 14 mph
Precip.
100%
100%
Night
37°F
E 17 mph
Precip.
100%
100%
Sea water temperature in April, °F
Show year:
2026
2025
2024
The average sea water temperature in April of 2026 was 34.6°F. The highest and lowest sea temperatures during the month were 36.5°F and 32.5°F.
Sea water temperature in May, °F
Show year:
2025
2024
2023
The average sea water temperature in May of 2025 was 43.2°F. The highest and lowest sea temperatures during the month were 49.8°F and 37.9°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
Duluth on a weather map
Places in USA:
Name
°F
24 Hours Forecast
Duluth
Local time: 08:13
April 29, wednesday
0900
41°F
SE
6 mph
6 mph
1200
43°F
SE
9 mph
9 mph
1500
45°F
SE
11 mph
11 mph
1800
46°F
SE
9 mph
9 mph
2100
37°F
S
6 mph
6 mph
April 30, thursday
0000
32°F
S
6 mph
6 mph
0300
30°F
SE
4 mph
4 mph
0600
32°F
SE
4 mph
4 mph
