S
M
T
W
T
F
S
29
46°
34°
30
50°
31°
31
58°
34°
1
50°
43°
2
52°
42°
3
58°
43°
4
61°
36°
5
64°
39°
6
69°
40°
7
56°
38°
8
59°
31°
9
63°
32°
10
66°
37°
11
54°
44°
12
57°
47°
13
54°
45°
14
49°
42°
15
52°
36°
16
55°
37°
17
55°
39°
18
64°
43°
19
67°
48°
20
67°
49°
21
58°
50°
22
61°
45°
23
62°
40°
24
64°
41°
25
63°
46°
26
65°
45°
27
65°
44°
28
63°
46°
29
63°
45°
30
62°
42°
1
56°
39°
2
57°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Lake Ketchum
Lake Ketchum's April 2026 forecast shows daily high temperatures ranging from 55° to 67°, with overnight lows between 39° and 50°. The average high for April is 62° with an average low of 44°. 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 Lake Ketchum. See also: May | June | July.
