S
M
T
W
T
F
S
29
54°
44°
30
54°
45°
31
55°
50°
1
52°
43°
2
48°
36°
3
54°
43°
4
50°
43°
5
48°
37°
6
52°
36°
7
57°
41°
8
59°
45°
9
50°
43°
10
50°
39°
11
50°
43°
12
52°
41°
13
52°
36°
14
52°
43°
15
54°
48°
16
54°
48°
17
54°
48°
18
54°
43°
19
54°
39°
20
52°
38°
21
55°
45°
22
55°
45°
23
57°
45°
24
59°
45°
25
59°
43°
26
56°
47°
27
58°
45°
28
59°
43°
29
61°
46°
30
64°
49°
1
57°
47°
2
54°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in St John's
St John's's April 2026 forecast shows daily high temperatures ranging from 54° to 64°, with overnight lows between 43° and 49°. The average high for April is 58° 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 April weather will actually feel in St John's. See also: May | June | July.
