S
M
T
W
T
F
S
26
84°
68°
27
84°
62°
28
84°
63°
29
85°
68°
30
86°
64°
31
85°
63°
1
86°
64°
2
84°
63°
3
84°
63°
4
85°
62°
5
84°
62°
6
84°
63°
7
85°
63°
8
85°
66°
9
86°
69°
10
87°
66°
11
85°
64°
12
87°
69°
13
91°
63°
14
89°
62°
15
84°
61°
16
84°
61°
17
85°
64°
18
88°
62°
19
84°
61°
20
82°
59°
21
83°
60°
22
83°
61°
23
82°
59°
24
82°
60°
25
83°
66°
26
84°
67°
27
89°
67°
28
90°
66°
29
90°
58°
30
87°
59°
31
82°
63°
1
84°
64°
2
82°
64°
3
82°
58°
4
81°
64°
5
81°
64°
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 81° to 91°, with overnight lows between 58° 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.
