S
M
T
W
T
F
S
29
56°
27°
30
58°
38°
31
41°
32°
1
32°
23°
2
36°
29°
3
56°
33°
4
41°
33°
5
39°
30°
6
41°
18°
7
33°
28°
8
45°
42°
9
59°
33°
10
42°
32°
11
45°
36°
12
49°
45°
13
56°
42°
14
43°
32°
15
39°
32°
16
40°
29°
17
43°
36°
18
48°
39°
19
49°
33°
20
50°
36°
21
45°
39°
22
46°
40°
23
54°
40°
24
49°
35°
25
44°
33°
26
44°
37°
27
45°
37°
28
47°
38°
29
46°
35°
30
47°
41°
1
46°
38°
2
47°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Black River
Black River's April 2026 forecast shows daily high temperatures ranging from 33° to 59°, with overnight lows between 18° and 45°. The average high for April is 46° with an average low of 36°. 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 Black River. See also: May | June | July.
