S
M
T
W
T
F
S
27
71°
54°
28
66°
60°
29
72°
58°
30
76°
53°
1
75°
63°
2
69°
54°
3
63°
45°
4
70°
44°
5
62°
50°
6
62°
42°
7
71°
53°
8
68°
49°
9
67°
47°
10
62°
47°
11
62°
52°
12
71°
55°
13
81°
62°
14
64°
55°
15
57°
52°
16
69°
46°
17
51°
40°
18
63°
41°
19
68°
43°
20
60°
38°
21
59°
37°
22
63°
39°
23
57°
38°
24
59°
35°
25
67°
38°
26
62°
49°
27
53°
45°
28
56°
42°
29
73°
43°
30
58°
43°
31
55°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
October Weather in Grimsby
Grimsby's October 2026 forecast shows daily high temperatures ranging from 55° to 55°, with overnight lows between 44° and 44°. The average high for October is 55° with an average low of 44°. 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 Grimsby. See also: November | December | January.
