S
M
T
W
T
F
S
28
80°
66°
29
87°
63°
30
85°
65°
1
84°
69°
2
96°
73°
3
98°
75°
4
96°
72°
5
81°
68°
6
69°
64°
7
70°
63°
8
80°
63°
9
82°
68°
10
85°
72°
11
82°
66°
12
83°
65°
13
N/A
14
90°
74°
15
100°
71°
16
90°
72°
17
88°
69°
18
81°
71°
19
81°
68°
20
82°
69°
21
85°
68°
22
83°
69°
23
82°
69°
24
81°
68°
25
84°
67°
26
83°
69°
27
81°
67°
28
80°
71°
29
82°
69°
30
79°
68°
31
79°
70°
1
80°
68°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
July Weather in Ronkonkoma
Ronkonkoma's July 2026 forecast shows daily high temperatures ranging from 79° to 100°, with overnight lows between 67° and 74°. 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 Ronkonkoma. See also: August | September | October.
