S
M
T
W
T
F
S
28
80°
66°
29
87°
63°
30
85°
65°
1
84°
69°
2
96°
73°
3
96°
76°
4
93°
76°
5
85°
72°
6
76°
71°
7
80°
68°
8
80°
69°
9
87°
70°
10
86°
71°
11
85°
70°
12
84°
69°
13
82°
68°
14
80°
69°
15
84°
70°
16
85°
67°
17
80°
67°
18
80°
67°
19
83°
69°
20
83°
70°
21
80°
70°
22
80°
69°
23
81°
70°
24
80°
70°
25
81°
69°
26
83°
69°
27
84°
70°
28
84°
69°
29
83°
70°
30
84°
71°
31
86°
71°
1
85°
70°
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 76° to 96°, with overnight lows between 67° and 76°. The average high for July is 83° with an average low of 70°. 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.
