S
M
T
W
T
F
S
29
39°
30°
30
37°
34°
31
45°
34°
1
46°
30°
2
43°
28°
3
41°
37°
4
45°
37°
5
45°
36°
6
45°
37°
7
43°
36°
8
43°
37°
9
43°
39°
10
52°
34°
11
55°
36°
12
48°
35°
13
42°
35°
14
45°
37°
15
48°
37°
16
47°
38°
17
49°
37°
18
51°
40°
19
51°
42°
20
50°
41°
21
48°
40°
22
59°
45°
23
47°
36°
24
46°
36°
25
51°
37°
26
52°
38°
27
47°
37°
28
46°
37°
29
47°
38°
30
47°
38°
1
48°
40°
2
47°
40°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Sitka
Sitka's April 2026 forecast shows daily high temperatures ranging from 42° to 59°, with overnight lows between 34° and 45°. The average high for April is 49° 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 April weather will actually feel in Sitka. See also: May | June | July.