S
M
T
W
T
F
S
26
81°
63°
27
82°
64°
28
81°
60°
29
81°
64°
30
83°
66°
31
81°
60°
1
82°
65°
2
85°
66°
3
82°
60°
4
84°
59°
5
81°
60°
6
82°
59°
7
84°
60°
8
80°
59°
9
80°
65°
10
85°
64°
11
83°
61°
12
85°
64°
13
86°
65°
14
84°
66°
15
81°
66°
16
86°
58°
17
85°
57°
18
79°
58°
19
78°
60°
20
77°
58°
21
79°
56°
22
78°
62°
23
79°
63°
24
83°
64°
25
86°
63°
26
86°
55°
27
81°
54°
28
76°
54°
29
77°
56°
30
77°
60°
31
80°
61°
1
83°
62°
2
83°
60°
3
82°
56°
4
82°
61°
5
81°
58°
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 76° to 86°, with overnight lows between 54° and 66°. The average high for August is 82° with an average low of 61°. 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.
