S
M
T
W
T
F
S
27
85°
59°
28
81°
58°
29
71°
59°
30
69°
54°
1
64°
51°
2
65°
50°
3
75°
50°
4
72°
54°
5
74°
51°
6
83°
52°
7
82°
53°
8
79°
46°
9
78°
51°
10
80°
52°
11
82°
56°
12
81°
58°
13
80°
50°
14
54°
48°
15
60°
41°
16
54°
32°
17
67°
31°
18
72°
37°
19
73°
48°
20
75°
50°
21
78°
50°
22
78°
53°
23
74°
49°
24
64°
45°
25
53°
44°
26
60°
50°
27
70°
48°
28
74°
46°
29
73°
48°
30
59°
45°
31
67°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Grenville
Grenville's October 2026 forecast shows daily high temperatures ranging from 59° to 67°, with overnight lows between 45° and 45°. The average high for October is 63° with an average low of 45°. 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 Grenville. See also: November | December | January.
