S
M
T
W
T
F
S
26
78°
60°
27
77°
60°
28
78°
59°
29
77°
60°
30
75°
60°
31
77°
59°
1
79°
61°
2
79°
61°
3
80°
58°
4
80°
59°
5
75°
59°
6
79°
58°
7
77°
59°
8
76°
58°
9
79°
58°
10
79°
57°
11
78°
58°
12
78°
58°
13
77°
57°
14
79°
56°
15
75°
53°
16
73°
52°
17
74°
56°
18
74°
55°
19
75°
51°
20
76°
52°
21
74°
57°
22
75°
57°
23
77°
56°
24
77°
56°
25
75°
53°
26
76°
55°
27
77°
53°
28
69°
56°
29
72°
57°
30
77°
54°
31
76°
49°
1
75°
47°
2
68°
49°
3
69°
49°
4
68°
48°
5
68°
48°
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 68° to 80°, with overnight lows between 47° and 61°. The average high for August is 76° with an average low of 56°. 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.
