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
73°
56°
11
69°
53°
12
66°
53°
13
69°
56°
14
72°
52°
15
80°
53°
16
84°
50°
17
76°
54°
18
N/A
19
90°
61°
20
83°
51°
21
92°
56°
22
88°
48°
23
91°
53°
24
92°
50°
25
84°
54°
26
75°
51°
27
77°
47°
28
81°
51°
29
82°
50°
30
81°
51°
1
73°
52°
2
74°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Port Augusta
Port Augusta's April 2026 forecast shows daily high temperatures ranging from 73° to 92°, with overnight lows between 47° and 61°. The average high for April is 83° with an average low of 52°. 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.
