S
M
T
W
T
F
S
28
91°
76°
29
90°
73°
30
91°
70°
1
90°
71°
2
93°
68°
3
92°
69°
4
91°
68°
5
91°
68°
6
92°
67°
7
88°
65°
8
82°
63°
9
83°
68°
10
92°
71°
11
91°
70°
12
91°
70°
13
90°
69°
14
91°
70°
15
92°
70°
16
92°
72°
17
93°
72°
18
94°
71°
19
94°
73°
20
93°
73°
21
95°
72°
22
95°
71°
23
93°
72°
24
90°
72°
25
94°
73°
26
95°
73°
27
96°
72°
28
96°
73°
29
95°
73°
30
95°
72°
31
94°
73°
1
96°
73°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Duluth
Duluth's July 2026 forecast shows daily high temperatures ranging from 82° to 96°, with overnight lows between 63° and 76°. The average high for July is 92° with an average low of 71°. 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.
