S
M
T
W
T
F
S
26
79°
60°
27
80°
61°
28
80°
66°
29
79°
65°
30
83°
65°
31
84°
62°
1
86°
65°
2
73°
64°
3
82°
64°
4
78°
59°
5
83°
56°
6
85°
69°
7
80°
68°
8
80°
67°
9
81°
64°
10
80°
65°
11
83°
61°
12
78°
59°
13
80°
58°
14
80°
57°
15
78°
57°
16
75°
60°
17
78°
56°
18
79°
62°
19
79°
59°
20
77°
58°
21
74°
58°
22
77°
58°
23
75°
55°
24
75°
57°
25
74°
56°
26
77°
61°
27
76°
60°
28
69°
53°
29
71°
59°
30
75°
59°
31
77°
58°
1
77°
60°
2
78°
60°
3
77°
59°
4
73°
58°
5
71°
55°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shannonville
Shannonville's August 2026 forecast shows daily high temperatures ranging from 69° to 80°, with overnight lows between 53° and 62°. The average high for August is 76° with an average low of 58°. 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 Shannonville. See also: September | October | November.