S
M
T
W
T
F
S
26
84°
59°
27
81°
61°
28
76°
60°
29
72°
59°
30
72°
56°
31
78°
57°
1
74°
58°
2
73°
59°
3
74°
58°
4
72°
55°
5
75°
58°
6
72°
60°
7
72°
63°
8
74°
58°
9
76°
57°
10
75°
57°
11
76°
58°
12
76°
58°
13
75°
57°
14
75°
57°
15
73°
55°
16
74°
56°
17
76°
57°
18
75°
57°
19
71°
56°
20
73°
53°
21
68°
51°
22
69°
56°
23
72°
52°
24
70°
48°
25
65°
47°
26
66°
55°
27
68°
54°
28
67°
51°
29
71°
49°
30
65°
47°
31
64°
46°
1
63°
48°
2
63°
46°
3
64°
44°
4
65°
48°
5
68°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Shannon
Shannon's August 2026 forecast shows daily high temperatures ranging from 63° to 84°, with overnight lows between 44° and 63°. The average high for August is 72° with an average low of 55°. 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 Shannon. See also: September | October | November.
