S
M
T
W
T
F
S
26
60°
47°
27
63°
46°
28
61°
47°
29
60°
46°
30
61°
47°
1
63°
47°
2
59°
44°
3
60°
45°
4
58°
44°
5
53°
47°
6
56°
50°
7
55°
51°
8
56°
50°
9
55°
50°
10
56°
51°
11
57°
51°
12
56°
50°
13
55°
51°
14
55°
51°
15
57°
50°
16
59°
52°
17
59°
52°
18
58°
51°
19
56°
52°
20
57°
50°
21
56°
52°
22
57°
53°
23
58°
52°
24
57°
53°
25
58°
53°
26
58°
52°
27
57°
53°
28
58°
53°
29
58°
54°
30
59°
54°
31
60°
53°
1
63°
55°
2
63°
54°
3
61°
54°
4
60°
55°
5
59°
52°
6
60°
52°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Penryn
Penryn's May 2026 forecast shows daily high temperatures ranging from 53° to 63°, with overnight lows between 44° and 55°. The average high for May is 58° 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 Penryn. See also: June | July | August.
