S
M
T
W
T
F
S
26
72°
57°
27
80°
59°
28
82°
67°
29
74°
67°
30
N/A
31
76°
65°
1
79°
69°
2
80°
72°
3
79°
69°
4
82°
66°
5
84°
69°
6
84°
69°
7
83°
67°
8
86°
68°
9
86°
68°
10
85°
66°
11
83°
67°
12
84°
63°
13
79°
67°
14
83°
66°
15
79°
62°
16
77°
60°
17
76°
63°
18
77°
62°
19
75°
62°
20
75°
60°
21
76°
65°
22
76°
65°
23
77°
64°
24
76°
62°
25
75°
60°
26
76°
58°
27
75°
60°
28
75°
59°
29
73°
57°
30
74°
59°
31
76°
63°
1
78°
64°
2
78°
64°
3
77°
62°
4
73°
61°
5
72°
59°
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 72° to 86°, with overnight lows between 57° and 72°. The average high for August is 78° with an average low of 64°. 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.
