S
M
T
W
T
F
S
29
46°
33°
30
47°
31°
31
51°
35°
1
49°
43°
2
52°
43°
3
52°
44°
4
57°
42°
5
57°
39°
6
59°
37°
7
53°
42°
8
54°
44°
9
57°
45°
10
59°
49°
11
53°
48°
12
54°
46°
13
56°
46°
14
54°
45°
15
53°
43°
16
54°
45°
17
53°
46°
18
55°
45°
19
57°
46°
20
59°
47°
21
56°
44°
22
53°
45°
23
54°
41°
24
52°
41°
25
53°
42°
26
55°
44°
27
57°
44°
28
58°
45°
29
54°
46°
30
54°
48°
1
55°
45°
2
55°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Boundary Bay
Boundary Bay's April 2026 forecast shows daily high temperatures ranging from 52° to 59°, with overnight lows between 41° and 49°. The average high for April is 55° with an average low of 45°. 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 Boundary Bay. See also: May | June | July.