S
M
T
W
T
F
S
26
79°
58°
27
79°
59°
28
80°
62°
29
81°
62°
30
82°
65°
31
85°
63°
1
86°
65°
2
87°
65°
3
86°
64°
4
85°
59°
5
81°
57°
6
79°
56°
7
78°
57°
8
78°
57°
9
79°
58°
10
80°
60°
11
82°
59°
12
83°
61°
13
85°
64°
14
84°
63°
15
86°
64°
16
85°
62°
17
81°
58°
18
79°
56°
19
79°
57°
20
80°
62°
21
78°
63°
22
79°
57°
23
79°
62°
24
83°
63°
25
79°
62°
26
85°
58°
27
79°
63°
28
79°
64°
29
85°
63°
30
84°
64°
31
83°
61°
1
82°
62°
2
83°
60°
3
82°
59°
4
80°
60°
5
83°
61°
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 78° to 87°, with overnight lows between 56° and 65°. The average high for August is 82° with an average low of 61°. 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.
