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°
75°
5
83°
69°
6
74°
68°
7
74°
67°
8
79°
67°
9
84°
70°
10
86°
71°
11
85°
70°
12
80°
67°
13
82°
68°
14
80°
68°
15
84°
67°
16
85°
70°
17
84°
68°
18
80°
68°
19
83°
70°
20
80°
65°
21
79°
66°
22
79°
65°
23
81°
66°
24
83°
67°
25
82°
68°
26
85°
70°
27
83°
71°
28
86°
71°
29
86°
70°
30
85°
71°
31
85°
71°
1
84°
70°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Lake Ronkonkoma
Lake Ronkonkoma's July 2026 forecast shows daily high temperatures ranging from 74° to 96°, with overnight lows between 65° and 75°. The average high for July is 83° 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 Lake Ronkonkoma. See also: August | September | October.
