S
M
T
W
T
F
S
26
79°
57°
27
75°
56°
28
82°
58°
29
80°
59°
30
82°
59°
31
82°
58°
1
83°
58°
2
79°
59°
3
82°
58°
4
79°
57°
5
77°
57°
6
81°
58°
7
82°
53°
8
74°
50°
9
74°
49°
10
75°
56°
11
74°
57°
12
77°
57°
13
81°
59°
14
82°
57°
15
81°
56°
16
75°
52°
17
75°
48°
18
78°
55°
19
78°
54°
20
80°
55°
21
81°
54°
22
79°
53°
23
74°
47°
24
73°
47°
25
75°
48°
26
75°
48°
27
76°
46°
28
78°
47°
29
78°
52°
30
79°
50°
31
79°
53°
1
78°
52°
2
79°
45°
3
77°
42°
4
70°
43°
5
70°
51°
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 70° to 83°, with overnight lows between 42° and 59°. The average high for August is 78° with an average low of 53°. 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.
