S
M
T
W
T
F
S
26
80°
44°
27
65°
52°
28
69°
55°
29
75°
54°
30
74°
51°
1
66°
41°
2
67°
38°
3
69°
40°
4
74°
44°
5
76°
50°
6
75°
49°
7
75°
51°
8
75°
52°
9
75°
55°
10
78°
53°
11
82°
50°
12
84°
48°
13
76°
45°
14
70°
47°
15
68°
45°
16
71°
46°
17
73°
44°
18
72°
46°
19
N/A
20
79°
49°
21
74°
46°
22
68°
42°
23
66°
43°
24
71°
48°
25
76°
50°
26
75°
54°
27
70°
51°
28
68°
52°
29
68°
52°
30
67°
50°
31
66°
49°
1
69°
54°
2
68°
54°
3
65°
51°
4
64°
50°
5
64°
53°
6
65°
53°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Perth Airport
Perth Airport's May 2026 forecast shows daily high temperatures ranging from 64° to 79°, with overnight lows between 42° and 54°. The average high for May is 69° 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 Perth Airport. See also: June | July | August.
