S
M
T
W
T
F
S
26
55°
48°
27
59°
45°
28
57°
46°
29
64°
45°
30
73°
48°
1
64°
50°
2
57°
50°
3
59°
50°
4
57°
45°
5
55°
41°
6
57°
41°
7
55°
43°
8
59°
48°
9
55°
46°
10
50°
46°
11
54°
43°
12
57°
43°
13
55°
45°
14
54°
44°
15
55°
41°
16
54°
46°
17
55°
48°
18
57°
52°
19
61°
52°
20
62°
51°
21
65°
50°
22
68°
52°
23
63°
50°
24
64°
50°
25
65°
49°
26
60°
50°
27
60°
48°
28
59°
45°
29
59°
47°
30
60°
49°
31
60°
51°
1
63°
52°
2
65°
52°
3
67°
51°
4
63°
52°
5
63°
52°
6
62°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Penygroes
Penygroes's May 2026 forecast shows daily high temperatures ranging from 54° to 68°, with overnight lows between 41° and 52°. The average high for May is 61° with an average low of 49°. 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 Penygroes. See also: June | July | August.