S
M
T
W
T
F
S
26
88°
66°
27
89°
68°
28
90°
68°
29
89°
67°
30
89°
68°
31
90°
68°
1
90°
69°
2
91°
68°
3
89°
67°
4
88°
66°
5
89°
68°
6
91°
66°
7
81°
63°
8
83°
65°
9
85°
65°
10
85°
67°
11
88°
67°
12
88°
68°
13
89°
67°
14
87°
66°
15
87°
66°
16
84°
65°
17
86°
63°
18
87°
64°
19
87°
62°
20
85°
63°
21
86°
60°
22
83°
53°
23
79°
52°
24
79°
53°
25
80°
53°
26
80°
56°
27
79°
59°
28
80°
61°
29
84°
62°
30
85°
61°
31
86°
60°
1
86°
58°
2
83°
54°
3
74°
59°
4
76°
60°
5
83°
56°
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 74° to 91°, with overnight lows between 52° and 69°. The average high for August is 85° with an average low of 63°. 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.
