S
M
T
W
T
F
S
28
84°
58°
29
84°
57°
30
84°
58°
1
90°
67°
2
97°
73°
3
95°
73°
4
92°
65°
5
86°
58°
6
81°
60°
7
80°
60°
8
81°
62°
9
91°
60°
10
87°
61°
11
84°
58°
12
83°
59°
13
83°
65°
14
91°
74°
15
91°
63°
16
89°
58°
17
86°
57°
18
85°
61°
19
80°
63°
20
83°
59°
21
77°
58°
22
76°
59°
23
79°
60°
24
81°
65°
25
75°
56°
26
76°
62°
27
77°
60°
28
76°
62°
29
75°
61°
30
76°
59°
31
76°
60°
1
78°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Westport Island
Westport Island's July 2026 forecast shows daily high temperatures ranging from 75° to 91°, with overnight lows between 56° and 74°. The average high for July is 81° with an average low of 61°. 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 Westport Island. See also: August | September | October.
