S
M
T
W
T
F
S
28
84°
53°
29
87°
52°
30
84°
59°
1
91°
68°
2
86°
69°
3
86°
67°
4
83°
60°
5
80°
61°
6
76°
63°
7
78°
63°
8
82°
64°
9
83°
63°
10
83°
62°
11
82°
61°
12
80°
61°
13
79°
63°
14
79°
64°
15
83°
63°
16
81°
58°
17
75°
61°
18
78°
60°
19
81°
62°
20
81°
63°
21
76°
63°
22
79°
62°
23
81°
63°
24
77°
63°
25
77°
62°
26
79°
63°
27
82°
63°
28
83°
62°
29
80°
63°
30
81°
64°
31
82°
64°
1
79°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
July Weather in Gananoque
Gananoque's July 2026 forecast shows daily high temperatures ranging from 75° to 86°, with overnight lows between 58° and 67°. The average high for July is 80° with an average low of 62°. 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 Gananoque. See also: August | September | October.