S
M
T
W
T
F
S
29
48°
32°
30
52°
43°
31
59°
43°
1
57°
45°
2
50°
41°
3
63°
45°
4
61°
41°
5
55°
36°
6
57°
34°
7
61°
37°
8
72°
41°
9
65°
40°
10
52°
45°
11
55°
41°
12
57°
40°
13
53°
47°
14
51°
41°
15
54°
45°
16
53°
42°
17
54°
44°
18
54°
45°
19
56°
47°
20
56°
45°
21
57°
46°
22
52°
44°
23
53°
43°
24
51°
43°
25
51°
42°
26
52°
42°
27
52°
44°
28
56°
47°
29
57°
48°
30
58°
48°
1
58°
47°
2
57°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lowestoft
Lowestoft's April 2026 forecast shows daily high temperatures ranging from 51° to 65°, with overnight lows between 40° and 48°. The average high for April is 55° 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 April weather will actually feel in Lowestoft. See also: May | June | July.