S
M
T
W
T
F
S
29
75°
58°
30
74°
54°
31
70°
52°
1
72°
49°
2
70°
48°
3
76°
56°
4
75°
55°
5
70°
54°
6
66°
46°
7
70°
42°
8
70°
46°
9
65°
53°
10
63°
55°
11
73°
47°
12
78°
54°
13
73°
53°
14
71°
50°
15
66°
50°
16
68°
47°
17
81°
56°
18
69°
49°
19
72°
47°
20
76°
46°
21
67°
42°
22
71°
41°
23
67°
45°
24
72°
48°
25
71°
49°
26
72°
47°
27
60°
52°
28
68°
46°
29
68°
51°
30
69°
50°
1
60°
46°
2
64°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Mount Barker
Mount Barker's April 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for April is ° with an average low of °. 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 Mount Barker. See also: May | June | July.