S
M
T
W
T
F
S
31
68°
48°
1
57°
39°
2
67°
36°
3
76°
47°
4
72°
56°
5
83°
56°
6
75°
57°
7
81°
58°
8
72°
54°
9
77°
57°
10
76°
60°
11
80°
64°
12
84°
65°
13
83°
65°
14
83°
59°
15
79°
67°
16
74°
62°
17
74°
56°
18
73°
63°
19
79°
64°
20
80°
59°
21
79°
55°
22
77°
53°
23
70°
61°
24
81°
61°
25
80°
56°
26
73°
66°
27
76°
64°
28
77°
62°
29
79°
57°
30
75°
54°
1
86°
70°
2
89°
72°
3
100°
74°
4
94°
69°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
June Weather in Barnstable
Barnstable's June 2026 forecast shows daily high temperatures ranging from 86° to 100°, with overnight lows between 69° and 74°. The average high for June is 92° with an average low of 71°. 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 Barnstable. See also: July | August | September.
