S
M
T
W
T
F
S
26
75°
61°
27
78°
56°
28
81°
58°
29
80°
54°
30
77°
52°
31
81°
54°
1
79°
54°
2
77°
52°
3
76°
53°
4
76°
52°
5
79°
53°
6
80°
55°
7
81°
56°
8
82°
57°
9
83°
54°
10
81°
57°
11
83°
60°
12
83°
61°
13
82°
60°
14
82°
52°
15
81°
51°
16
75°
55°
17
75°
54°
18
73°
52°
19
73°
50°
20
74°
56°
21
76°
59°
22
80°
57°
23
81°
58°
24
82°
50°
25
80°
51°
26
73°
49°
27
72°
53°
28
72°
52°
29
73°
57°
30
79°
57°
31
78°
56°
1
78°
52°
2
77°
48°
3
78°
50°
4
76°
52°
5
78°
53°
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 72° to 83°, with overnight lows between 48° and 61°. The average high for August is 78° with an average low of 54°. 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.
