S
M
T
W
T
F
S
27
71°
56°
28
71°
54°
29
67°
54°
30
69°
55°
1
70°
54°
2
64°
54°
3
65°
53°
4
68°
55°
5
69°
55°
6
69°
54°
7
66°
52°
8
67°
53°
9
68°
52°
10
64°
53°
11
67°
48°
12
55°
43°
13
53°
41°
14
52°
42°
15
52°
41°
16
53°
46°
17
53°
41°
18
51°
39°
19
51°
40°
20
52°
41°
21
50°
42°
22
52°
42°
23
63°
46°
24
65°
40°
25
62°
36°
26
50°
35°
27
48°
33°
28
46°
31°
29
46°
37°
30
50°
45°
31
54°
40°
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 46° to 71°, with overnight lows between 31° and 56°. The average high for October is 59° with an average low of 46°. 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.
