S
M
T
W
T
F
S
29
68°
27°
30
53°
33°
31
57°
38°
1
48°
32°
2
46°
24°
3
60°
16°
4
70°
23°
5
71°
29°
6
71°
29°
7
70°
32°
8
68°
30°
9
67°
31°
10
60°
37°
11
53°
37°
12
52°
29°
13
52°
29°
14
59°
24°
15
53°
29°
16
45°
21°
17
58°
14°
18
68°
19°
19
65°
44°
20
61°
41°
21
56°
37°
22
52°
34°
23
63°
21°
24
62°
30°
25
61°
29°
26
55°
32°
27
58°
29°
28
63°
28°
29
67°
33°
30
71°
37°
1
72°
39°
2
72°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Klamath Falls
Klamath Falls's April 2026 forecast shows daily high temperatures ranging from 55° to 72°, with overnight lows between 28° and 39°. The average high for April is 65° 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 Klamath Falls. See also: May | June | July.
