S
M
T
W
T
F
S
28
72°
57°
29
77°
60°
30
74°
62°
1
80°
61°
2
84°
59°
3
79°
56°
4
80°
59°
5
76°
56°
6
80°
58°
7
77°
57°
8
78°
58°
9
76°
53°
10
78°
56°
11
78°
57°
12
79°
56°
13
76°
56°
14
73°
55°
15
77°
57°
16
79°
58°
17
78°
58°
18
78°
57°
19
77°
57°
20
75°
56°
21
75°
57°
22
74°
57°
23
79°
59°
24
77°
57°
25
76°
52°
26
71°
51°
27
71°
52°
28
72°
53°
29
75°
53°
30
71°
50°
31
70°
49°
1
69°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in L'Islet
L'Islet's July 2026 forecast shows daily high temperatures ranging from 69° to 84°, with overnight lows between 49° and 62°. The average high for July is 76° with an average low of 56°. 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 L'Islet. See also: August | September | October.