S
M
T
W
T
F
S
29
77°
56°
30
82°
55°
31
87°
55°
1
79°
67°
2
80°
64°
3
80°
64°
4
85°
68°
5
84°
65°
6
93°
60°
7
75°
63°
8
77°
61°
9
78°
63°
10
79°
52°
11
75°
49°
12
70°
51°
13
72°
46°
14
74°
46°
15
77°
48°
16
78°
54°
17
74°
47°
18
77°
48°
19
82°
49°
20
80°
48°
21
81°
49°
22
81°
48°
23
84°
51°
24
71°
52°
25
72°
52°
26
80°
55°
27
80°
57°
28
79°
52°
29
71°
49°
30
70°
48°
1
70°
49°
2
71°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Port Augusta
Port Augusta's April 2026 forecast shows daily high temperatures ranging from 70° to 84°, with overnight lows between 46° and 57°. The average high for April is 76° with an average low of 50°. 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 Port Augusta. See also: May | June | July.
