S
M
T
W
T
F
S
29
53°
41°
30
60°
34°
31
55°
37°
1
51°
41°
2
57°
36°
3
61°
38°
4
73°
47°
5
77°
47°
6
71°
43°
7
61°
38°
8
62°
38°
9
63°
37°
10
63°
39°
11
66°
41°
12
64°
43°
13
63°
40°
14
59°
38°
15
55°
40°
16
60°
40°
17
63°
42°
18
61°
40°
19
54°
37°
20
54°
35°
21
55°
34°
22
55°
35°
23
56°
36°
24
55°
34°
25
57°
39°
26
57°
39°
27
56°
37°
28
60°
36°
29
62°
39°
30
64°
40°
1
64°
40°
2
66°
41°
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 51° to 77°, with overnight lows between 34° and 47°. The average high for April is 61° with an average low of 39°. 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.
