S
M
T
W
T
F
S
27
63°
54°
28
63°
50°
29
57°
48°
30
58°
51°
1
58°
53°
2
62°
54°
3
62°
53°
4
60°
50°
5
57°
48°
6
57°
47°
7
56°
51°
8
57°
50°
9
56°
47°
10
57°
52°
11
58°
52°
12
57°
51°
13
56°
51°
14
58°
52°
15
60°
52°
16
60°
51°
17
59°
51°
18
59°
50°
19
58°
51°
20
60°
51°
21
59°
50°
22
59°
49°
23
56°
50°
24
57°
49°
25
58°
50°
26
57°
50°
27
58°
49°
28
57°
50°
29
57°
48°
30
56°
48°
31
55°
49°
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 63°, with overnight lows between 47° and 54°. The average high for October is 58° with an average low of 50°. 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.
