S
M
T
W
T
F
S
29
58°
31°
30
73°
51°
31
82°
65°
1
82°
45°
2
46°
40°
3
68°
43°
4
74°
42°
5
65°
39°
6
58°
42°
7
56°
29°
8
52°
27°
9
58°
28°
10
71°
49°
11
68°
40°
12
62°
51°
13
78°
59°
14
82°
60°
15
85°
58°
16
82°
59°
17
81°
50°
18
70°
44°
19
66°
48°
20
62°
45°
21
65°
49°
22
69°
54°
23
75°
43°
24
61°
48°
25
60°
46°
26
59°
46°
27
61°
43°
28
61°
45°
29
62°
43°
30
61°
42°
1
63°
51°
2
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in New Brunswick
New Brunswick's April 2026 forecast shows daily high temperatures ranging from 59° to 85°, with overnight lows between 40° and 60°. The average high for April is 68° with an average low of 49°. 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 New Brunswick. See also: May | June | July.