S
M
T
W
T
F
S
26
80°
63°
27
81°
62°
28
85°
63°
29
86°
63°
30
86°
62°
31
85°
62°
1
85°
61°
2
84°
62°
3
85°
62°
4
86°
63°
5
86°
62°
6
87°
63°
7
85°
56°
8
86°
58°
9
84°
59°
10
85°
55°
11
81°
56°
12
80°
57°
13
86°
60°
14
86°
60°
15
85°
59°
16
80°
60°
17
80°
56°
18
81°
60°
19
85°
60°
20
80°
59°
21
84°
59°
22
80°
57°
23
80°
53°
24
84°
54°
25
85°
59°
26
85°
58°
27
84°
55°
28
79°
54°
29
80°
56°
30
81°
55°
31
82°
57°
1
80°
56°
2
76°
52°
3
76°
51°
4
75°
49°
5
76°
50°
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 75° to 87°, with overnight lows between 49° and 63°. The average high for August is 83° with an average low of 58°. 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.
