S
M
T
W
T
F
S
29
49°
31°
30
65°
33°
31
66°
50°
1
54°
33°
2
58°
32°
3
73°
39°
4
66°
37°
5
52°
34°
6
42°
33°
7
36°
24°
8
55°
21°
9
69°
44°
10
53°
38°
11
49°
32°
12
68°
31°
13
72°
51°
14
74°
51°
15
76°
52°
16
74°
55°
17
65°
49°
18
75°
39°
19
47°
29°
20
42°
30°
21
58°
39°
22
54°
35°
23
61°
40°
24
65°
48°
25
62°
43°
26
54°
40°
27
54°
42°
28
55°
43°
29
56°
41°
30
54°
45°
1
57°
41°
2
56°
41°
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 42° to 75°, with overnight lows between 29° and 49°. The average high for April is 57° with an average low of 40°. 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.
