World Resorts USA Duluth Weather

Duluth 7 Days Forecast

29.04
wed
Day
43°F
SE 9 mph
Precip.
0%
Night
32°F
S 6 mph
Precip.
0%
30.04
thu
Day
45°F
S 6 mph
Precip.
0%
Night
32°F
SW 5 mph
Precip.
0%
01.05
fri
Day
41°F
W 8 mph
Precip.
0%
Night
30°F
SW 3 mph
Precip.
0%
02.05
sat
Day
50°F
SE 2 mph
Precip.
0%
Night
39°F
SE 2 mph
Precip.
0%
03.05
sun
Day
57°F
SE 8 mph
Precip.
0%
Night
43°F
SE 7 mph
Precip.
0%
04.05
mon
Day
59°F
NE 13 mph
Precip.
0%
Night
39°F
NE 7 mph
Precip.
0%
05.05
tue
Day
46°F
SE 8 mph
Precip.
27%
Night
36°F
W 4 mph
Precip.
0%

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

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 17.9 °F
February 20.0 °F
December 24.2 °F
Rainiest months:
June 3 days
August 3 days
July 3 days
Windiest months:
April 8.8 mph
March 8.4 mph
November 8.3 mph

Duluth on a weather map

Duluth
+39°F
E 4 mph
Feels like: +30°F
Precip.: 0%
Places in USA:
Name
°F
+55°F
+73°F
+73°F
+57°F
+52°F
+79°F
+79°F
+66°F
+54°F
+54°F
+50°F
+77°F
+75°F
+75°F
+52°F
24 Hours Forecast
Duluth
Local time: 07:13
April 29, wednesday
0900
41°F
SE
6 mph
1200
43°F
SE
9 mph
1500
45°F
SE
11 mph
1800
46°F
SE
9 mph
2100
37°F
S
6 mph
April 30, thursday
0000
32°F
S
6 mph
0300
30°F
SE
4 mph
0600
32°F
SE
4 mph
Units of measurement: °C / °F