S
M
T
W
T
F
S
27
66°
42°
28
66°
48°
29
60°
44°
30
70°
44°
1
71°
62°
2
69°
50°
3
62°
40°
4
69°
35°
5
59°
39°
6
53°
33°
7
70°
41°
8
63°
48°
9
60°
38°
10
58°
32°
11
66°
42°
12
60°
53°
13
61°
52°
14
61°
42°
15
55°
46°
16
53°
38°
17
46°
36°
18
56°
44°
19
62°
45°
20
61°
44°
21
58°
45°
22
58°
45°
23
61°
45°
24
56°
46°
25
57°
42°
26
54°
36°
27
54°
30°
28
46°
32°
29
46°
35°
30
50°
40°
31
53°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Gananoque
Gananoque's October 2026 forecast shows daily high temperatures ranging from 46° to 62°, with overnight lows between 30° and 52°. The average high for October is 55° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how October weather will actually feel in Gananoque. See also: November | December | January.