S
M
T
W
T
F
S
29
77°
46°
30
91°
50°
31
70°
52°
1
52°
43°
2
61°
43°
3
72°
36°
4
55°
34°
5
64°
38°
6
63°
33°
7
64°
50°
8
71°
49°
9
63°
49°
10
62°
50°
11
72°
58°
12
76°
60°
13
75°
47°
14
59°
33°
15
69°
42°
16
61°
40°
17
65°
48°
18
66°
40°
19
70°
46°
20
71°
49°
21
70°
48°
22
72°
42°
23
61°
47°
24
72°
41°
25
66°
50°
26
74°
49°
27
72°
49°
28
73°
50°
29
68°
50°
30
63°
49°
1
64°
50°
2
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Duluth
Duluth's April 2026 forecast shows daily high temperatures ranging from 59° to 76°, with overnight lows between 33° and 60°. The average high for April is 68° with an average low of 47°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Duluth. See also: May | June | July.
