S
M
T
W
T
F
S
31
56°
44°
1
56°
44°
2
55°
42°
3
56°
45°
4
57°
45°
5
57°
42°
6
58°
44°
7
57°
45°
8
58°
44°
9
59°
50°
10
60°
52°
11
60°
51°
12
65°
52°
13
71°
52°
14
73°
53°
15
72°
54°
16
68°
52°
17
69°
53°
18
69°
53°
19
70°
52°
20
69°
55°
21
71°
55°
22
72°
54°
23
72°
54°
24
71°
56°
25
72°
55°
26
74°
56°
27
75°
56°
28
75°
57°
29
74°
56°
30
75°
56°
1
75°
58°
2
74°
59°
3
77°
59°
4
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Duluth
Duluth's June 2026 forecast shows daily high temperatures ranging from 55° to 78°, with overnight lows between 42° and 59°. The average high for June is 67° with an average low of 52°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Duluth. See also: July | August | September.
