S
M
T
W
T
F
S
29
52°
31°
30
70°
35°
31
71°
40°
1
46°
36°
2
39°
35°
3
76°
36°
4
54°
38°
5
54°
36°
6
42°
33°
7
35°
26°
8
40°
25°
9
67°
32°
10
43°
39°
11
50°
34°
12
44°
34°
13
74°
39°
14
77°
47°
15
74°
42°
16
76°
46°
17
57°
40°
18
78°
39°
19
48°
33°
20
42°
30°
21
52°
42°
22
55°
40°
23
58°
42°
24
56°
42°
25
53°
44°
26
57°
44°
27
54°
42°
28
52°
43°
29
55°
42°
30
54°
41°
1
54°
45°
2
53°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Grimsby
Grimsby's April 2026 forecast shows daily high temperatures ranging from 42° to 58°, with overnight lows between 30° and 45°. The average high for April is 53° with an average low of 41°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Grimsby. See also: May | June | July.
