World Resorts USA Duluth Weather

Duluth 14 Days Forecast

16.04
wed
Day
43°F
NW 7 mph
Precip.
0%
Night
34°F
SW 9 mph
Precip.
0%
17.04
thu
Day
45°F
W 7 mph
Precip.
0%
Night
43°F
SW 5 mph
Precip.
100%
18.04
fri
Day
43°F
S 12 mph
Precip.
0%
Night
37°F
SE 8 mph
Precip.
0%
19.04
sat
Day
37°F
SE 7 mph
Precip.
69%
Night
32°F
S 4 mph
Precip.
0%
20.04
sun
Day
41°F
NW 7 mph
Precip.
0%
Night
30°F
SW 6 mph
Precip.
0%
21.04
mon
Day
39°F
W 9 mph
Precip.
0%
Night
32°F
SW 6 mph
Precip.
0%
22.04
tue
Day
43°F
W 7 mph
Precip.
0%
Night
32°F
SW 6 mph
Precip.
0%
23.04
wed
Day
39°F
W 2 mph
Precip.
100%
Night
37°F
SE 7 mph
Precip.
0%
24.04
thu
Day
48°F
NW 6 mph
Precip.
0%
Night
36°F
SW 5 mph
Precip.
0%
25.04
fri
Day
43°F
W 14 mph
Precip.
0%
Night
36°F
SW 12 mph
Precip.
0%
26.04
sat
Day
37°F
W 9 mph
Precip.
100%
Night
37°F
W 7 mph
Precip.
100%
27.04
sun
Day
41°F
W 6 mph
Precip.
22%
Night
39°F
SW 7 mph
Precip.
84%
28.04
mon
Day
48°F
W 9 mph
Precip.
0%
Night
39°F
SW 7 mph
Precip.
0%
29.04
tue
Day
54°F
W 9 mph
Precip.
0%
Night
45°F
SW 4 mph
Precip.
0%

Sea water temperature in April, °F

Show year:
2025
2024
2023
1
3
5
7
9
11
13
15
17
19
21
23
25
27
29
31
28
32
36
40
44
48
52
56

The average sea water temperature in April of 2025 was 34.7°F. The highest and lowest sea temperatures during the month were 35.4°F and 34.0°F.

Air temperature in Duluth, °F

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0
12
24
36
48
60
72
84
96
25.2
37.5
52.0
67.8
73.8
74.2
68.8
56.8
41.5
32.7
18.9
18.5
20.4
30.8
42.5
54.3
60.3
59.9
55.2
44.2
32.3
24.1
10.7
11.6
Day temperature   
Night temperature

Precipitation total in Duluth, in.

jan
feb
mar
apr
may
jun
jul
aug
sep
oct
nov
dec
0.0
0.3
0.5
0.8
1.1
1.3
1.6
1.9
0.6
0.5
0.7
0.8
1.4
1.6
1.3
1.3
1.3
0.7
0.2
0.2
* Charts above show average data for the last 3 years.

Best time for vacation in Duluth

Sunniest months:
September 15 days
August 14 days
July 13 days
Warmest months:
July 74.2 °F
August 73.8 °F
June 68.8 °F
Warmest sea temp:
August 65.5 °F
July 63.9 °F
September 62.7 °F
Coldest months:
January 18.5 °F
February 18.9 °F
December 25.2 °F
Rainiest months:
August 3 days
June 3 days
July 3 days
Windiest months:
April 9.1 mph
March 8.4 mph
November 8.1 mph

Duluth on a weather map

Leaflet | Tiles © Esri
Places in USA:
Name
°F
+39°F
+43°F
+73°F
+73°F
+63°F
+54°F
+70°F
+41°F
+68°F
+57°F
+54°F
+68°F
+70°F
+70°F
+41°F
24 Hours Forecast
Duluth
Local time: 04:17
April 16, wednesday
0600
34°F
SW
2 mph
0900
37°F
NW
4 mph
1200
43°F
NW
7 mph
1500
45°F
W
9 mph
1800
41°F
W
12 mph
2100
34°F
W
10 mph
April 17, thursday
0000
34°F
SW
9 mph
0300
34°F
SW
9 mph
Units of measurement: °C / °F