S
M
T
W
T
F
S
29
48°
28°
30
39°
30°
31
36°
22°
1
36°
22°
2
33°
29°
3
38°
28°
4
44°
32°
5
45°
26°
6
31°
19°
7
37°
20°
8
42°
26°
9
43°
27°
10
51°
35°
11
50°
43°
12
61°
37°
13
45°
20°
14
38°
21°
15
53°
33°
16
55°
32°
17
48°
29°
18
49°
33°
19
56°
35°
20
55°
33°
21
53°
30°
22
47°
35°
23
46°
33°
24
46°
34°
25
47°
32°
26
49°
35°
27
54°
39°
28
52°
40°
29
51°
40°
30
50°
37°
1
50°
39°
2
52°
39°
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 38° to 61°, with overnight lows between 20° and 43°. The average high for April is 50° with an average low of 33°. 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.
