S
M
T
W
T
F
S
29
30°
9°
30
26°
-4°
31
31°
9°
1
35°
8°
2
39°
8°
3
44°
10°
4
37°
23°
5
29°
7°
6
27°
12°
7
33°
23°
8
29°
8°
9
32°
17°
10
33°
18°
11
35°
25°
12
38°
26°
13
36°
21°
14
36°
22°
15
39°
27°
16
44°
26°
17
48°
28°
18
40°
31°
19
41°
27°
20
42°
21°
21
45°
23°
22
44°
26°
23
42°
23°
24
43°
23°
25
47°
32°
26
53°
35°
27
55°
32°
28
58°
38°
29
61°
39°
30
61°
38°
1
60°
41°
2
62°
41°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Swan Plain
Swan Plain's April 2026 forecast shows daily high temperatures ranging from 27° to 62°, with overnight lows between 7° and 41°. The average high for April is 43° with an average low of 26°. 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 Swan Plain. See also: May | June | July.