S
M
T
W
T
F
S
29
55°
34°
30
48°
31°
31
56°
27°
1
40°
30°
2
50°
32°
3
54°
33°
4
66°
33°
5
73°
37°
6
72°
42°
7
60°
44°
8
65°
29°
9
68°
29°
10
72°
37°
11
54°
47°
12
63°
45°
13
60°
46°
14
48°
40°
15
44°
35°
16
52°
31°
17
58°
27°
18
65°
29°
19
74°
36°
20
78°
41°
21
74°
44°
22
71°
44°
23
61°
36°
24
62°
34°
25
61°
39°
26
61°
36°
27
66°
41°
28
72°
42°
29
76°
44°
30
75°
43°
1
75°
46°
2
70°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Niagara
Niagara's April 2026 forecast shows daily high temperatures ranging from 61° to 76°, with overnight lows between 34° and 46°. The average high for April is 68° with an average low of 41°. 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 Niagara. See also: May | June | July.
