S
M
T
W
T
F
S
28
80°
66°
29
87°
63°
30
N/A
1
90°
73°
2
97°
74°
3
96°
76°
4
93°
74°
5
88°
72°
6
83°
70°
7
83°
67°
8
82°
69°
9
82°
68°
10
84°
69°
11
85°
70°
12
82°
69°
13
83°
67°
14
78°
63°
15
78°
63°
16
79°
64°
17
79°
65°
18
80°
65°
19
80°
68°
20
81°
70°
21
80°
71°
22
85°
71°
23
82°
70°
24
83°
71°
25
85°
71°
26
86°
72°
27
87°
72°
28
86°
71°
29
85°
71°
30
85°
68°
31
79°
65°
1
79°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Centereach
Centereach's July 2026 forecast shows daily high temperatures ranging from 78° to 97°, with overnight lows between 63° and 76°. The average high for July is 84° with an average low of 69°. 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 Centereach. See also: August | September | October.
