S
M
T
W
T
F
S
29
84°
46°
30
82°
65°
31
88°
67°
1
87°
65°
2
82°
69°
3
84°
69°
4
80°
66°
5
69°
56°
6
72°
47°
7
81°
41°
8
80°
49°
9
82°
54°
10
85°
57°
11
85°
58°
12
84°
58°
13
85°
62°
14
85°
61°
15
85°
64°
16
86°
64°
17
87°
63°
18
88°
58°
19
74°
50°
20
80°
55°
21
78°
58°
22
80°
63°
23
80°
63°
24
79°
62°
25
79°
59°
26
81°
55°
27
80°
59°
28
81°
60°
29
76°
60°
30
81°
61°
1
82°
61°
2
83°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sibley
Sibley's April 2026 forecast shows daily high temperatures ranging from 74° to 88°, with overnight lows between 50° and 64°. The average high for April is 82° with an average low of 60°. 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 Sibley. See also: May | June | July.