S
M
T
W
T
F
S
26
79°
63°
27
80°
63°
28
78°
67°
29
75°
58°
30
74°
54°
31
79°
52°
1
77°
61°
2
81°
67°
3
79°
65°
4
81°
65°
5
77°
65°
6
82°
64°
7
80°
64°
8
82°
64°
9
81°
64°
10
81°
63°
11
81°
62°
12
76°
63°
13
79°
63°
14
83°
66°
15
84°
65°
16
84°
65°
17
83°
65°
18
81°
63°
19
80°
60°
20
79°
61°
21
75°
60°
22
80°
62°
23
74°
56°
24
74°
51°
25
76°
46°
26
80°
53°
27
83°
60°
28
79°
58°
29
83°
62°
30
84°
63°
31
86°
65°
1
84°
61°
2
86°
62°
3
84°
63°
4
84°
61°
5
80°
60°
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 86°, with overnight lows between 58° and 65°. The average high for August is 83° 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.
