S
M
T
W
T
F
S
31
60°
53°
1
63°
55°
2
63°
54°
3
61°
54°
4
60°
55°
5
59°
52°
6
60°
52°
7
60°
54°
8
61°
54°
9
64°
55°
10
65°
55°
11
65°
54°
12
64°
55°
13
61°
53°
14
61°
54°
15
62°
55°
16
64°
56°
17
66°
54°
18
64°
53°
19
62°
54°
20
63°
55°
21
64°
54°
22
62°
52°
23
65°
56°
24
67°
57°
25
67°
57°
26
66°
58°
27
67°
58°
28
68°
56°
29
67°
55°
30
66°
56°
1
67°
57°
2
65°
57°
3
67°
58°
4
67°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Penryn
Penryn's June 2026 forecast shows daily high temperatures ranging from 59° to 68°, with overnight lows between 52° and 58°. The average high for June is 64° with an average low of 55°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how June weather will actually feel in Penryn. See also: July | August | September.