S
M
T
W
T
F
S
29
45°
23°
30
28°
22°
31
26°
8°
1
31°
3°
2
33°
27°
3
40°
28°
4
44°
28°
5
37°
18°
6
29°
14°
7
33°
20°
8
37°
26°
9
39°
23°
10
48°
28°
11
46°
33°
12
45°
34°
13
44°
29°
14
47°
32°
15
63°
30°
16
31°
17°
17
26°
17°
18
39°
17°
19
38°
15°
20
63°
30°
21
65°
28°
22
74°
36°
23
72°
34°
24
45°
26°
25
41°
24°
26
48°
31°
27
46°
29°
28
49°
26°
29
46°
32°
30
51°
30°
1
61°
35°
2
63°
37°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sidney
Sidney's April 2026 forecast shows daily high temperatures ranging from 41° to 63°, with overnight lows between 24° and 37°. The average high for April is 50° with an average low of 30°. 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 Sidney. See also: May | June | July.
