S
M
T
W
T
F
S
26
45°
36°
27
46°
38°
28
46°
40°
29
47°
42°
30
47°
41°
1
48°
38°
2
48°
38°
3
47°
39°
4
47°
38°
5
48°
39°
6
49°
38°
7
49°
39°
8
48°
40°
9
48°
40°
10
49°
41°
11
48°
39°
12
49°
39°
13
48°
40°
14
49°
39°
15
49°
39°
16
50°
40°
17
51°
40°
18
55°
43°
19
55°
41°
20
55°
44°
21
56°
43°
22
57°
42°
23
51°
43°
24
52°
42°
25
55°
45°
26
52°
44°
27
53°
43°
28
52°
43°
29
52°
45°
30
53°
47°
31
55°
49°
1
58°
50°
2
60°
47°
3
59°
49°
4
59°
50°
5
60°
51°
6
59°
50°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sitka
Sitka's May 2026 forecast shows daily high temperatures ranging from 45° to 60°, with overnight lows between 36° and 51°. The average high for May is 52° with an average low of 42°. 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 Sitka. See also: June | July | August.
