S
M
T
W
T
F
S
26
84°
70°
27
90°
70°
28
91°
72°
29
91°
75°
30
88°
70°
31
91°
64°
1
90°
72°
2
88°
72°
3
82°
72°
4
84°
72°
5
86°
72°
6
88°
72°
7
88°
72°
8
88°
70°
9
91°
72°
10
92°
72°
11
96°
73°
12
97°
72°
13
99°
76°
14
99°
74°
15
94°
73°
16
94°
73°
17
92°
73°
18
90°
71°
19
92°
70°
20
87°
68°
21
89°
69°
22
89°
70°
23
90°
69°
24
85°
66°
25
85°
68°
26
88°
71°
27
89°
72°
28
89°
72°
29
90°
70°
30
87°
70°
31
83°
71°
1
84°
71°
2
84°
70°
3
85°
70°
4
87°
69°
5
88°
70°
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 83° to 99°, with overnight lows between 66° and 76°. The average high for August is 90° with an average low of 71°. 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.
