S
M
T
W
T
F
S
26
75°
54°
27
69°
56°
28
70°
58°
29
64°
47°
30
63°
39°
1
57°
43°
2
58°
37°
3
63°
36°
4
76°
53°
5
69°
47°
6
59°
44°
7
64°
36°
8
68°
47°
9
75°
53°
10
71°
54°
11
73°
45°
12
80°
42°
13
68°
51°
14
68°
41°
15
72°
47°
16
73°
62°
17
85°
64°
18
79°
68°
19
82°
59°
20
67°
53°
21
67°
52°
22
68°
62°
23
74°
56°
24
76°
60°
25
78°
59°
26
77°
58°
27
78°
60°
28
76°
59°
29
78°
56°
30
77°
58°
31
78°
54°
1
77°
60°
2
79°
59°
3
72°
54°
4
71°
52°
5
72°
55°
6
77°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Alaska
Alaska's May 2026 forecast shows daily high temperatures ranging from 67° to 82°, with overnight lows between 52° and 68°. The average high for May is 75° with an average low of 58°. 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 Alaska. See also: June | July | August.