S
M
T
W
T
F
S
31
59°
51°
1
60°
52°
2
61°
48°
3
62°
53°
4
63°
53°
5
64°
56°
6
64°
56°
7
65°
55°
8
65°
55°
9
66°
57°
10
67°
57°
11
65°
56°
12
66°
57°
13
65°
56°
14
64°
56°
15
64°
55°
16
65°
56°
17
65°
58°
18
67°
58°
19
66°
55°
20
64°
55°
21
62°
53°
22
65°
56°
23
66°
54°
24
62°
53°
25
62°
56°
26
64°
57°
27
63°
57°
28
66°
56°
29
65°
59°
30
65°
58°
1
64°
59°
2
66°
56°
3
65°
58°
4
66°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Trethowel
Trethowel's June 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 48° and 59°. The average high for June is 64° 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 June weather will actually feel in Trethowel. See also: July | August | September.