S
M
T
W
T
F
S
26
48°
38°
27
41°
36°
28
41°
37°
29
40°
36°
30
41°
38°
1
43°
38°
2
47°
36°
3
34°
29°
4
33°
31°
5
32°
27°
6
35°
26°
7
34°
28°
8
32°
27°
9
37°
28°
10
38°
29°
11
44°
35°
12
45°
37°
13
42°
33°
14
42°
36°
15
46°
40°
16
43°
37°
17
47°
36°
18
46°
37°
19
47°
38°
20
48°
37°
21
47°
38°
22
48°
39°
23
47°
38°
24
48°
38°
25
49°
39°
26
50°
37°
27
47°
38°
28
48°
40°
29
47°
40°
30
48°
39°
31
48°
38°
1
47°
38°
2
47°
39°
3
48°
38°
4
48°
41°
5
49°
42°
6
50°
42°
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 50°, with overnight lows between 33° and 42°. The average high for May is 47° with an average low of 38°. 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.