S
M
T
W
T
F
S
26
56°
46°
27
52°
45°
28
56°
44°
29
51°
44°
30
52°
44°
1
58°
43°
2
53°
45°
3
59°
45°
4
68°
50°
5
63°
48°
6
52°
38°
7
59°
42°
8
52°
43°
9
49°
43°
10
47°
41°
11
51°
38°
12
52°
37°
13
53°
38°
14
54°
37°
15
55°
39°
16
55°
38°
17
57°
39°
18
55°
39°
19
56°
38°
20
51°
35°
21
52°
36°
22
51°
37°
23
51°
37°
24
52°
35°
25
51°
35°
26
52°
37°
27
52°
36°
28
53°
35°
29
53°
37°
30
54°
38°
31
52°
39°
1
53°
37°
2
54°
38°
3
56°
37°
4
55°
38°
5
55°
38°
6
60°
39°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Ketchikan Census Subarea
Ketchikan Census Subarea's May 2026 forecast shows daily high temperatures ranging from 47° to 60°, with overnight lows between 35° and 43°. The average high for May is 53° 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 Ketchikan Census Subarea. See also: June | July | August.
