S
M
T
W
T
F
S
28
75°
57°
29
74°
56°
30
75°
56°
1
75°
58°
2
74°
59°
3
77°
59°
4
78°
57°
5
77°
54°
6
78°
51°
7
71°
52°
8
74°
54°
9
77°
57°
10
79°
62°
11
78°
62°
12
76°
63°
13
73°
60°
14
77°
54°
15
73°
57°
16
78°
53°
17
74°
54°
18
73°
52°
19
72°
57°
20
74°
63°
21
81°
62°
22
81°
60°
23
80°
63°
24
81°
64°
25
82°
63°
26
81°
63°
27
82°
61°
28
76°
60°
29
80°
64°
30
Hist. Avg.
77°
60°
31
Hist. Avg.
77°
60°
1
Hist. Avg.
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Duluth
Duluth's July 2026 forecast shows daily high temperatures ranging from 71° to 82°, with overnight lows between 51° and 64°. The average high for July is 77° with an average low of 58°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Duluth. See also: August | September | October.
