S
M
T
W
T
F
S
28
78°
63°
29
84°
57°
30
82°
58°
1
82°
68°
2
90°
72°
3
98°
68°
4
97°
70°
5
N/A
6
69°
65°
7
74°
61°
8
75°
65°
9
80°
72°
10
86°
72°
11
81°
65°
12
80°
67°
13
79°
66°
14
84°
68°
15
83°
69°
16
84°
69°
17
83°
68°
18
85°
67°
19
80°
69°
20
79°
65°
21
78°
66°
22
78°
65°
23
79°
66°
24
80°
66°
25
81°
68°
26
83°
70°
27
82°
71°
28
85°
71°
29
84°
70°
30
84°
71°
31
83°
71°
1
82°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Shelter Island
Shelter Island's July 2026 forecast shows daily high temperatures ranging from 69° to 86°, with overnight lows between 61° and 72°. The average high for July is 81° with an average low of 68°. 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 Shelter Island. See also: August | September | October.
