S
M
T
W
T
F
S
27
73°
44°
28
73°
42°
29
61°
46°
30
60°
44°
1
59°
45°
2
60°
46°
3
60°
43°
4
66°
48°
5
68°
49°
6
69°
50°
7
68°
51°
8
66°
45°
9
64°
42°
10
56°
40°
11
55°
42°
12
56°
39°
13
60°
40°
14
51°
45°
15
55°
48°
16
63°
42°
17
60°
45°
18
59°
46°
19
54°
45°
20
58°
42°
21
54°
40°
22
52°
41°
23
50°
41°
24
51°
37°
25
Hist. Avg.
57°
41°
26
Hist. Avg.
57°
41°
27
Hist. Avg.
56°
40°
28
Hist. Avg.
56°
40°
29
Hist. Avg.
55°
40°
30
Hist. Avg.
55°
39°
31
Hist. Avg.
54°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
October Weather in Grimsby
Grimsby's October 2026 forecast shows daily high temperatures ranging from 50° to 73°, with overnight lows between 37° and 51°. The average high for October is 60° 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.
