S
M
T
W
T
F
S
28
91°
68°
29
91°
71°
30
86°
69°
1
87°
68°
2
86°
69°
3
85°
66°
4
84°
69°
5
82°
69°
6
80°
67°
7
81°
68°
8
81°
69°
9
82°
69°
10
81°
68°
11
82°
65°
12
83°
69°
13
84°
69°
14
82°
68°
15
83°
69°
16
82°
67°
17
82°
65°
18
83°
66°
19
82°
65°
20
82°
67°
21
84°
68°
22
84°
69°
23
82°
68°
24
81°
68°
25
82°
67°
26
82°
68°
27
83°
69°
28
81°
69°
29
81°
68°
30
82°
69°
31
84°
69°
1
86°
68°
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 80° to 91°, with overnight lows between 65° and 71°. The average high for July is 83° with an average low of 68°. 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.
