S
M
T
W
T
F
S
26
83°
66°
27
84°
66°
28
85°
72°
29
84°
71°
30
82°
72°
1
83°
73°
2
85°
74°
3
84°
73°
4
85°
67°
5
85°
71°
6
85°
66°
7
85°
68°
8
85°
71°
9
84°
73°
10
82°
74°
11
84°
74°
12
85°
72°
13
84°
71°
14
82°
71°
15
82°
71°
16
82°
72°
17
83°
73°
18
83°
71°
19
83°
68°
20
83°
66°
21
82°
62°
22
80°
60°
23
81°
64°
24
81°
62°
25
82°
66°
26
83°
67°
27
83°
64°
28
82°
67°
29
85°
62°
30
80°
59°
31
81°
62°
1
N/A
2
78°
65°
3
78°
67°
4
78°
67°
5
78°
69°
6
78°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Douglas
Port Douglas's May 2026 forecast shows daily high temperatures ranging from 78° to 78°, with overnight lows between 65° and 69°. The average high for May is 78° with an average low of 67°. 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 Douglas. See also: June | July | August.
