S
M
T
W
T
F
S
28
76°
59°
29
82°
58°
30
84°
61°
1
85°
62°
2
84°
63°
3
86°
61°
4
85°
59°
5
82°
57°
6
78°
54°
7
84°
63°
8
85°
58°
9
89°
53°
10
77°
54°
11
78°
50°
12
76°
51°
13
75°
53°
14
76°
54°
15
77°
53°
16
80°
58°
17
84°
53°
18
78°
54°
19
79°
62°
20
78°
59°
21
82°
60°
22
86°
62°
23
88°
60°
24
84°
64°
25
90°
59°
26
89°
63°
27
89°
62°
28
Hist. Avg.
84°
58°
29
Hist. Avg.
84°
58°
30
Hist. Avg.
84°
58°
31
Hist. Avg.
84°
58°
1
Hist. Avg.
84°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Mandan
Mandan's July 2026 forecast shows daily high temperatures ranging from 75° to 90°, with overnight lows between 50° and 64°. The average high for July is 82° 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 Mandan. See also: August | September | October.