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
36°
33°
5
35°
27°
6
36°
27°
7
39°
28°
8
38°
33°
9
45°
31°
10
44°
35°
11
47°
34°
12
46°
35°
13
45°
36°
14
47°
34°
15
48°
36°
16
47°
35°
17
48°
34°
18
43°
33°
19
44°
37°
20
45°
37°
21
46°
36°
22
46°
36°
23
47°
37°
24
47°
38°
25
48°
39°
26
46°
38°
27
46°
38°
28
47°
40°
29
47°
39°
30
49°
40°
31
48°
37°
1
47°
37°
2
48°
39°
3
48°
38°
4
49°
39°
5
49°
41°
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 35° to 50°, with overnight lows between 27° and 42°. 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.