S
M
T
W
T
F
S
27
75°
44°
28
72°
47°
29
75°
48°
30
73°
48°
1
71°
60°
2
63°
43°
3
63°
39°
4
68°
38°
5
56°
35°
6
59°
30°
7
70°
47°
8
61°
45°
9
64°
38°
10
63°
48°
11
59°
52°
12
67°
55°
13
61°
41°
14
55°
39°
15
54°
50°
16
62°
43°
17
51°
36°
18
50°
36°
19
52°
39°
20
51°
39°
21
52°
37°
22
55°
33°
23
46°
33°
24
46°
37°
25
55°
40°
26
56°
36°
27
53°
30°
28
44°
29°
29
44°
34°
30
48°
39°
31
53°
32°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Guelph
Guelph's October 2026 forecast shows daily high temperatures ranging from 44° to 67°, with overnight lows between 29° and 55°. The average high for October is 54° with an average low of 39°. 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 Guelph. See also: November | December | January.
