S
M
T
W
T
F
S
26
77°
63°
27
77°
62°
28
78°
64°
29
80°
64°
30
75°
63°
31
77°
64°
1
78°
63°
2
79°
64°
3
77°
64°
4
81°
63°
5
75°
60°
6
77°
63°
7
79°
63°
8
75°
57°
9
73°
56°
10
73°
56°
11
74°
62°
12
74°
60°
13
77°
64°
14
79°
64°
15
79°
62°
16
74°
60°
17
74°
55°
18
74°
53°
19
75°
62°
20
77°
60°
21
78°
61°
22
80°
56°
23
76°
55°
24
74°
53°
25
74°
56°
26
76°
54°
27
73°
53°
28
73°
54°
29
78°
60°
30
80°
59°
31
80°
60°
1
79°
60°
2
80°
59°
3
80°
52°
4
72°
49°
5
71°
54°
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 71° to 81°, with overnight lows between 49° and 64°. The average high for August is 76° with an average low of 59°. 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.
