S
M
T
W
T
F
S
26
80°
64°
27
80°
66°
28
81°
65°
29
81°
65°
30
83°
68°
31
84°
67°
1
83°
60°
2
82°
59°
3
79°
61°
4
79°
61°
5
78°
60°
6
79°
60°
7
79°
61°
8
80°
62°
9
79°
64°
10
80°
66°
11
79°
66°
12
81°
65°
13
79°
66°
14
84°
64°
15
83°
60°
16
81°
64°
17
81°
59°
18
79°
58°
19
78°
57°
20
77°
58°
21
78°
61°
22
77°
60°
23
76°
59°
24
78°
64°
25
77°
63°
26
82°
64°
27
80°
64°
28
82°
63°
29
81°
64°
30
76°
59°
31
80°
57°
1
75°
57°
2
75°
56°
3
74°
61°
4
74°
57°
5
79°
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 84°, with overnight lows between 56° and 68°. The average high for August is 79° with an average low of 62°. 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.
