S
M
T
W
T
F
S
31
55°
42°
1
58°
41°
2
56°
44°
3
78°
45°
4
66°
48°
5
79°
48°
6
79°
48°
7
53°
48°
8
56°
46°
9
68°
48°
10
57°
46°
11
76°
56°
12
74°
56°
13
67°
55°
14
73°
53°
15
74°
51°
16
64°
48°
17
57°
45°
18
64°
46°
19
63°
46°
20
64°
47°
21
66°
46°
22
59°
45°
23
65°
52°
24
68°
55°
25
67°
52°
26
68°
54°
27
71°
53°
28
67°
56°
29
67°
54°
30
68°
54°
1
67°
58°
2
68°
55°
3
67°
51°
4
68°
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 57° to 74°, with overnight lows between 45° and 58°. The average high for June is 66° with an average low of 51°. 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.
