S
M
T
W
T
F
S
26
81°
60°
27
85°
63°
28
82°
60°
29
80°
54°
30
83°
59°
31
85°
65°
1
83°
63°
2
81°
63°
3
82°
64°
4
84°
64°
5
83°
63°
6
85°
65°
7
84°
62°
8
83°
65°
9
84°
64°
10
83°
61°
11
80°
65°
12
82°
64°
13
81°
65°
14
79°
64°
15
79°
64°
16
82°
65°
17
80°
65°
18
80°
64°
19
81°
65°
20
82°
64°
21
81°
64°
22
80°
63°
23
85°
64°
24
85°
62°
25
78°
61°
26
84°
66°
27
86°
66°
28
85°
65°
29
85°
64°
30
83°
61°
31
76°
56°
1
75°
56°
2
75°
57°
3
76°
61°
4
83°
62°
5
81°
63°
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 86°, with overnight lows between 54° and 66°. The average high for August is 82° 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.
