S
M
T
W
T
F
S
27
85°
54°
28
87°
53°
29
91°
56°
30
94°
61°
1
91°
67°
2
94°
69°
3
94°
70°
4
86°
72°
5
85°
68°
6
87°
63°
7
85°
54°
8
89°
62°
9
84°
65°
10
71°
64°
11
80°
58°
12
89°
58°
13
89°
60°
14
82°
56°
15
85°
60°
16
80°
58°
17
76°
54°
18
73°
53°
19
72°
54°
20
74°
50°
21
74°
56°
22
71°
53°
23
67°
48°
24
67°
49°
25
68°
52°
26
71°
52°
27
73°
51°
28
70°
47°
29
65°
46°
30
65°
51°
31
71°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Shannon
Shannon's October 2026 forecast shows daily high temperatures ranging from 65° to 89°, with overnight lows between 46° and 65°. The average high for October is 76° 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 October weather will actually feel in Shannon. See also: November | December | January.
