S
M
T
W
T
F
S
26
47°
30°
27
48°
37°
28
45°
32°
29
49°
26°
30
43°
32°
1
44°
38°
2
48°
37°
3
51°
35°
4
45°
38°
5
44°
38°
6
42°
34°
7
42°
36°
8
42°
36°
9
46°
36°
10
48°
37°
11
47°
39°
12
49°
38°
13
52°
35°
14
55°
37°
15
53°
38°
16
51°
35°
17
54°
36°
18
51°
35°
19
51°
38°
20
52°
35°
21
52°
33°
22
56°
39°
23
54°
38°
24
53°
36°
25
53°
37°
26
54°
39°
27
53°
40°
28
54°
40°
29
54°
41°
30
55°
42°
31
54°
41°
1
56°
42°
2
54°
41°
3
55°
43°
4
55°
43°
5
57°
41°
6
62°
42°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Port Nikiski
Port Nikiski's May 2026 forecast shows daily high temperatures ranging from 42° to 62°, with overnight lows between 33° and 43°. The average high for May is 52° 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 Nikiski. See also: June | July | August.
