S
M
T
W
T
F
S
28
84°
61°
29
83°
63°
30
86°
64°
1
84°
62°
2
83°
65°
3
85°
62°
4
83°
63°
5
84°
62°
6
83°
61°
7
79°
58°
8
84°
61°
9
84°
64°
10
79°
64°
11
80°
62°
12
83°
65°
13
86°
65°
14
85°
64°
15
84°
65°
16
80°
65°
17
81°
64°
18
82°
64°
19
81°
63°
20
83°
63°
21
85°
66°
22
85°
66°
23
81°
65°
24
82°
65°
25
83°
64°
26
86°
66°
27
86°
66°
28
85°
65°
29
83°
66°
30
80°
66°
31
86°
65°
1
85°
67°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Marion
Marion's July 2026 forecast shows daily high temperatures ranging from 79° to 86°, with overnight lows between 58° and 67°. The average high for July is 83° with an average low of 64°. 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 Marion. See also: August | September | October.
