S
M
T
W
T
F
S
26
84°
69°
27
88°
70°
28
89°
70°
29
88°
69°
30
88°
69°
31
85°
68°
1
84°
68°
2
87°
70°
3
89°
70°
4
90°
69°
5
89°
70°
6
90°
70°
7
85°
62°
8
87°
66°
9
87°
61°
10
83°
60°
11
81°
60°
12
82°
62°
13
82°
61°
14
83°
61°
15
81°
62°
16
84°
66°
17
83°
63°
18
84°
64°
19
82°
64°
20
81°
65°
21
82°
64°
22
83°
60°
23
84°
64°
24
87°
65°
25
88°
65°
26
89°
64°
27
89°
59°
28
87°
58°
29
81°
63°
30
80°
61°
31
81°
57°
1
80°
58°
2
80°
56°
3
79°
54°
4
79°
54°
5
80°
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 79° to 90°, with overnight lows between 54° and 70°. The average high for August is 84° 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.
