S
M
T
W
T
F
S
26
46°
35°
27
42°
35°
28
42°
35°
29
43°
36°
30
42°
35°
1
43°
34°
2
44°
33°
3
45°
35°
4
43°
34°
5
44°
34°
6
43°
36°
7
46°
34°
8
46°
35°
9
45°
34°
10
43°
36°
11
43°
35°
12
44°
36°
13
43°
32°
14
42°
32°
15
44°
35°
16
44°
34°
17
45°
36°
18
45°
38°
19
46°
38°
20
45°
37°
21
45°
38°
22
46°
38°
23
46°
35°
24
45°
36°
25
45°
36°
26
46°
35°
27
45°
35°
28
46°
36°
29
46°
38°
30
47°
35°
31
46°
36°
1
46°
36°
2
47°
38°
3
48°
39°
4
48°
39°
5
49°
37°
6
48°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Moller
Port Moller's May 2026 forecast shows daily high temperatures ranging from 42° to 49°, with overnight lows between 32° and 39°. The average high for May is 45° with an average low of 36°. 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 Moller. See also: June | July | August.