S
M
T
W
T
F
S
29
46°
34°
30
63°
33°
31
56°
39°
1
46°
35°
2
42°
34°
3
73°
37°
4
44°
41°
5
44°
33°
6
41°
28°
7
35°
26°
8
41°
40°
9
56°
36°
10
50°
40°
11
52°
43°
12
53°
44°
13
53°
42°
14
51°
39°
15
51°
40°
16
50°
49°
17
49°
31°
18
44°
37°
19
50°
41°
20
57°
46°
21
59°
46°
22
59°
47°
23
60°
47°
24
60°
46°
25
61°
46°
26
60°
42°
27
51°
38°
28
48°
40°
29
50°
44°
30
50°
43°
1
51°
40°
2
50°
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 35° to 73°, with overnight lows between 26° and 49°. The average high for April is 52° 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.
