S
M
T
W
T
F
S
26
84°
66°
27
85°
65°
28
82°
65°
29
79°
59°
30
N/A
31
85°
66°
1
78°
66°
2
77°
60°
3
77°
60°
4
80°
63°
5
80°
62°
6
83°
64°
7
85°
63°
8
86°
64°
9
84°
64°
10
84°
61°
11
82°
62°
12
82°
62°
13
83°
61°
14
78°
58°
15
76°
57°
16
77°
62°
17
80°
63°
18
78°
60°
19
77°
60°
20
77°
62°
21
79°
57°
22
76°
56°
23
76°
56°
24
77°
57°
25
76°
56°
26
75°
55°
27
76°
56°
28
77°
58°
29
81°
62°
30
82°
63°
31
76°
64°
1
77°
63°
2
79°
57°
3
75°
54°
4
75°
54°
5
76°
56°
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 75° to 86°, with overnight lows between 54° and 66°. The average high for August is 79° with an average low of 60°. 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.
