S
M
T
W
T
F
S
26
55°
46°
27
64°
44°
28
68°
45°
29
73°
48°
30
77°
54°
1
78°
57°
2
72°
54°
3
60°
50°
4
54°
48°
5
59°
48°
6
68°
53°
7
80°
53°
8
80°
54°
9
83°
57°
10
85°
57°
11
89°
62°
12
92°
59°
13
88°
59°
14
86°
57°
15
81°
55°
16
81°
56°
17
82°
56°
18
81°
54°
19
82°
54°
20
81°
53°
21
75°
51°
22
76°
51°
23
79°
54°
24
80°
54°
25
82°
53°
26
81°
52°
27
84°
53°
28
80°
52°
29
86°
58°
30
87°
59°
31
88°
59°
1
88°
58°
2
87°
60°
3
84°
57°
4
80°
58°
5
79°
57°
6
80°
56°
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 75° to 92°, with overnight lows between 51° and 62°. The average high for May is 83° with an average low of 56°. 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.
