S
M
T
W
T
F
S
28
73°
59°
29
78°
64°
30
79°
62°
1
79°
59°
2
75°
59°
3
75°
62°
4
76°
62°
5
76°
60°
6
77°
60°
7
75°
61°
8
76°
60°
9
74°
59°
10
73°
60°
11
75°
61°
12
78°
64°
13
79°
63°
14
77°
67°
15
76°
65°
16
76°
62°
17
78°
63°
18
79°
63°
19
80°
61°
20
80°
64°
21
77°
62°
22
75°
63°
23
76°
63°
24
76°
61°
25
75°
64°
26
79°
68°
27
81°
68°
28
81°
67°
29
78°
66°
30
76°
64°
31
75°
65°
1
76°
66°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Barnstable
Barnstable's July 2026 forecast shows daily high temperatures ranging from 73° to 81°, with overnight lows between 59° and 68°. The average high for July is 77° with an average low of 63°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how July weather will actually feel in Barnstable. See also: August | September | October.
