S
M
T
W
T
F
S
26
82°
60°
27
85°
64°
28
77°
64°
29
79°
61°
30
67°
54°
1
65°
51°
2
69°
44°
3
73°
50°
4
79°
56°
5
80°
63°
6
79°
53°
7
69°
48°
8
76°
54°
9
80°
61°
10
79°
60°
11
78°
58°
12
80°
60°
13
84°
61°
14
81°
63°
15
83°
60°
16
80°
63°
17
82°
64°
18
80°
64°
19
80°
65°
20
79°
65°
21
82°
59°
22
79°
58°
23
78°
58°
24
79°
59°
25
80°
60°
26
80°
58°
27
79°
58°
28
80°
60°
29
82°
64°
30
83°
67°
31
84°
68°
1
83°
68°
2
82°
67°
3
83°
65°
4
83°
68°
5
84°
69°
6
84°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Shannon
Shannon's May 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 44° and 69°. The average high for May is 80° with an average low of 61°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in Shannon. See also: June | July | August.
