S
M
T
W
T
F
S
26
89°
65°
27
91°
72°
28
91°
71°
29
86°
68°
30
68°
62°
1
62°
52°
2
74°
50°
3
83°
45°
4
82°
51°
5
81°
61°
6
83°
60°
7
70°
57°
8
68°
61°
9
74°
64°
10
87°
66°
11
76°
69°
12
85°
61°
13
88°
56°
14
90°
61°
15
90°
64°
16
89°
69°
17
90°
68°
18
91°
74°
19
91°
69°
20
86°
69°
21
83°
71°
22
89°
70°
23
77°
70°
24
75°
67°
25
78°
69°
26
80°
71°
27
82°
71°
28
79°
70°
29
82°
69°
30
83°
70°
31
84°
67°
1
80°
66°
2
84°
67°
3
82°
65°
4
83°
69°
5
87°
68°
6
84°
71°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Athlone
Athlone's May 2026 forecast shows daily high temperatures ranging from 75° to 87°, with overnight lows between 65° and 71°. The average high for May is 81° with an average low of 69°. 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 Athlone. See also: June | July | August.