S
M
T
W
T
F
S
31
83°
64°
1
85°
64°
2
81°
65°
3
86°
64°
4
85°
63°
5
81°
62°
6
86°
64°
7
87°
61°
8
87°
60°
9
81°
61°
10
84°
62°
11
87°
62°
12
88°
67°
13
89°
68°
14
89°
64°
15
88°
63°
16
86°
63°
17
89°
66°
18
89°
63°
19
84°
66°
20
90°
66°
21
89°
67°
22
88°
67°
23
85°
66°
24
86°
69°
25
85°
68°
26
86°
67°
27
85°
70°
28
88°
70°
29
89°
69°
30
90°
68°
1
85°
68°
2
90°
67°
3
88°
68°
4
86°
68°
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 81° to 90°, with overnight lows between 60° and 70°. The average high for June is 86° with an average low of 65°. 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.
