S
M
T
W
T
F
S
26
92°
74°
27
92°
74°
28
93°
73°
29
93°
72°
30
91°
73°
31
89°
73°
1
90°
72°
2
90°
73°
3
89°
72°
4
91°
72°
5
90°
73°
6
92°
72°
7
88°
72°
8
88°
71°
9
89°
72°
10
88°
72°
11
87°
71°
12
87°
70°
13
88°
71°
14
91°
71°
15
93°
72°
16
94°
70°
17
92°
69°
18
93°
70°
19
92°
71°
20
93°
68°
21
92°
68°
22
89°
67°
23
88°
67°
24
88°
66°
25
89°
66°
26
92°
67°
27
91°
67°
28
93°
68°
29
93°
68°
30
92°
69°
31
93°
70°
1
92°
69°
2
92°
69°
3
91°
70°
4
91°
66°
5
90°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shellhorn
Shellhorn's August 2026 forecast shows daily high temperatures ranging from 87° to 94°, with overnight lows between 66° and 74°. The average high for August is 91° with an average low of 70°. 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 Shellhorn. See also: September | October | November.