S
M
T
W
T
F
S
26
72°
57°
27
80°
59°
28
82°
67°
29
71°
66°
30
69°
62°
31
78°
65°
1
81°
69°
2
80°
69°
3
82°
66°
4
82°
62°
5
84°
65°
6
81°
66°
7
84°
67°
8
83°
65°
9
86°
68°
10
87°
66°
11
82°
63°
12
78°
66°
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 69° to 87°, with overnight lows between 57° and 69°. The average high for August is 78° 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.
