S
M
T
W
T
F
S
27
65°
53°
28
64°
51°
29
59°
44°
30
72°
44°
1
67°
60°
2
64°
44°
3
62°
42°
4
67°
49°
5
59°
37°
6
56°
42°
7
63°
48°
8
66°
48°
9
62°
44°
10
61°
43°
11
64°
50°
12
59°
44°
13
55°
42°
14
56°
44°
15
59°
38°
16
63°
44°
17
63°
42°
18
60°
40°
19
61°
44°
20
59°
42°
21
58°
39°
22
55°
42°
23
60°
42°
24
60°
34°
25
53°
40°
26
60°
33°
27
48°
31°
28
53°
31°
29
55°
38°
30
54°
36°
31
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Brockville
Brockville's October 2026 forecast shows daily high temperatures ranging from 48° to 67°, with overnight lows between 31° and 50°. The average high for October is 59° 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 Brockville. See also: November | December | January.
