S
M
T
W
T
F
S
26
61°
46°
27
59°
44°
28
63°
42°
29
62°
44°
30
61°
48°
1
62°
52°
2
57°
49°
3
57°
49°
4
58°
45°
5
55°
43°
6
56°
38°
7
58°
45°
8
56°
46°
9
57°
44°
10
57°
38°
11
57°
44°
12
59°
45°
13
57°
46°
14
54°
43°
15
54°
39°
16
56°
46°
17
52°
43°
18
55°
44°
19
58°
52°
20
63°
51°
21
66°
56°
22
65°
55°
23
66°
50°
24
72°
54°
25
77°
52°
26
N/A
27
81°
55°
28
68°
53°
29
72°
51°
30
63°
52°
31
67°
54°
1
65°
53°
2
62°
49°
3
63°
51°
4
62°
49°
5
61°
47°
6
62°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Knocktopher
Knocktopher's May 2026 forecast shows daily high temperatures ranging from 61° to 81°, with overnight lows between 47° and 55°. The average high for May is 66° with an average low of 51°. 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 Knocktopher. See also: June | July | August.