S
M
T
W
T
F
S
29
72°
54°
30
76°
54°
31
79°
54°
1
83°
54°
2
83°
57°
3
73°
62°
4
64°
58°
5
70°
56°
6
71°
53°
7
85°
61°
8
77°
61°
9
87°
68°
10
91°
60°
11
73°
50°
12
71°
50°
13
72°
52°
14
72°
54°
15
76°
57°
16
77°
57°
17
73°
56°
18
73°
55°
19
74°
56°
20
69°
59°
21
70°
58°
22
69°
59°
23
69°
59°
24
70°
58°
25
68°
58°
26
68°
57°
27
69°
58°
28
68°
58°
29
68°
57°
30
70°
56°
1
69°
56°
2
72°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Shellharbour
Shellharbour's April 2026 forecast shows daily high temperatures ranging from 68° to 91°, with overnight lows between 50° and 68°. The average high for April is 73° with an average low of 57°. 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 Shellharbour. See also: May | June | July.