S
M
T
W
T
F
S
29
52°
34°
30
55°
45°
31
59°
45°
1
58°
45°
2
54°
45°
3
59°
45°
4
61°
45°
5
57°
42°
6
57°
34°
7
61°
36°
8
72°
37°
9
66°
42°
10
57°
47°
11
57°
44°
12
57°
40°
13
55°
42°
14
58°
43°
15
58°
48°
16
62°
46°
17
61°
45°
18
62°
46°
19
60°
47°
20
60°
45°
21
61°
46°
22
54°
37°
23
56°
40°
24
55°
39°
25
54°
37°
26
55°
37°
27
56°
39°
28
61°
43°
29
61°
45°
30
60°
44°
1
62°
45°
2
63°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Rainham
Rainham's April 2026 forecast shows daily high temperatures ranging from 54° to 66°, with overnight lows between 37° and 48°. The average high for April is 59° with an average low of 43°. 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 Rainham. See also: May | June | July.