S
M
T
W
T
F
S
26
83°
54°
27
83°
59°
28
81°
66°
29
78°
68°
30
78°
65°
31
85°
61°
1
87°
63°
2
84°
71°
3
80°
63°
4
86°
58°
5
86°
59°
6
90°
74°
7
92°
71°
8
89°
69°
9
90°
67°
10
86°
61°
11
85°
65°
12
84°
62°
13
85°
66°
14
84°
62°
15
81°
59°
16
81°
58°
17
75°
66°
18
86°
66°
19
85°
65°
20
83°
61°
21
76°
62°
22
70°
65°
23
81°
67°
24
81°
57°
25
79°
58°
26
80°
62°
27
81°
68°
28
82°
61°
29
82°
57°
30
80°
61°
31
77°
60°
1
76°
58°
2
77°
58°
3
75°
56°
4
76°
56°
5
78°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Marion
Marion's August 2026 forecast shows daily high temperatures ranging from 75° to 82°, with overnight lows between 56° and 68°. The average high for August is 79° with an average low of 59°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Marion. See also: September | October | November.
