S
M
T
W
T
F
S
26
58°
31°
27
70°
36°
28
59°
49°
29
57°
44°
30
52°
37°
1
49°
32°
2
46°
36°
3
56°
31°
4
63°
46°
5
64°
44°
6
51°
40°
7
54°
37°
8
53°
37°
9
62°
33°
10
58°
41°
11
54°
36°
12
54°
33°
13
61°
43°
14
51°
43°
15
66°
42°
16
67°
46°
17
74°
56°
18
82°
63°
19
78°
58°
20
65°
41°
21
57°
39°
22
61°
47°
23
64°
51°
24
65°
52°
25
68°
51°
26
66°
52°
27
70°
50°
28
68°
51°
29
69°
53°
30
70°
48°
31
68°
52°
1
67°
51°
2
67°
54°
3
64°
54°
4
67°
53°
5
65°
54°
6
69°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Blessington
Blessington's May 2026 forecast shows daily high temperatures ranging from 57° to 82°, with overnight lows between 39° and 63°. The average high for May is 68° with an average low of 52°. 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 Blessington. See also: June | July | August.