S
M
T
W
T
F
S
29
37°
23°
30
39°
21°
31
36°
27°
1
27°
21°
2
27°
25°
3
30°
23°
4
30°
25°
5
43°
20°
6
30°
12°
7
34°
9°
8
34°
28°
9
36°
25°
10
46°
25°
11
43°
19°
12
54°
34°
13
48°
37°
14
37°
34°
15
43°
27°
16
68°
27°
17
61°
27°
18
32°
21°
19
37°
19°
20
50°
14°
21
57°
27°
22
63°
27°
23
55°
43°
24
60°
34°
25
51°
39°
26
50°
40°
27
49°
40°
28
54°
30°
29
51°
32°
30
49°
31°
1
46°
29°
2
50°
31°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Knife River
Knife River's April 2026 forecast shows daily high temperatures ranging from 46° to 60°, with overnight lows between 29° and 40°. The average high for April is 51° with an average low of 34°. 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 Knife River. See also: May | June | July.
