S
M
T
W
T
F
S
29
88°
68°
30
86°
61°
1
86°
57°
2
91°
61°
3
91°
70°
4
90°
70°
5
91°
72°
6
88°
68°
7
91°
64°
8
88°
64°
9
95°
66°
10
99°
72°
11
84°
66°
12
79°
63°
13
90°
55°
14
95°
59°
15
97°
64°
16
82°
64°
17
75°
63°
18
86°
64°
19
95°
72°
20
88°
70°
21
81°
70°
22
88°
70°
23
91°
77°
24
81°
72°
25
81°
70°
26
91°
70°
27
97°
73°
28
95°
77°
29
97°
75°
30
77°
68°
31
77°
63°
1
73°
57°
2
79°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duluth
Duluth's July 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for July is ° with an average low of °. 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.
