S
M
T
W
T
F
S
26
73°
52°
27
76°
49°
28
80°
54°
29
83°
58°
30
84°
62°
1
86°
63°
2
69°
52°
3
66°
46°
4
69°
46°
5
68°
45°
6
68°
47°
7
64°
42°
8
69°
44°
9
69°
48°
10
67°
46°
11
68°
47°
12
72°
48°
13
75°
52°
14
77°
55°
15
68°
59°
16
70°
58°
17
66°
54°
18
67°
56°
19
64°
56°
20
68°
54°
21
66°
56°
22
65°
47°
23
68°
48°
24
67°
46°
25
65°
42°
26
67°
42°
27
68°
45°
28
64°
49°
29
63°
50°
30
64°
49°
31
65°
49°
1
66°
48°
2
67°
49°
3
66°
49°
4
67°
48°
5
65°
49°
6
65°
49°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Lincoln
Port Lincoln's May 2026 forecast shows daily high temperatures ranging from 63° to 70°, with overnight lows between 42° and 59°. The average high for May is 66° 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 May weather will actually feel in Port Lincoln. See also: June | July | August.
