S
M
T
W
T
F
S
29
45°
34°
30
48°
30°
31
55°
36°
1
50°
43°
2
54°
43°
3
57°
43°
4
57°
41°
5
61°
43°
6
68°
41°
7
54°
39°
8
57°
36°
9
60°
41°
10
60°
47°
11
55°
47°
12
56°
45°
13
53°
44°
14
53°
42°
15
55°
41°
16
58°
47°
17
57°
45°
18
56°
44°
19
59°
45°
20
58°
44°
21
59°
45°
22
60°
44°
23
57°
40°
24
56°
40°
25
56°
41°
26
59°
42°
27
62°
42°
28
64°
43°
29
58°
44°
30
57°
47°
1
58°
44°
2
58°
48°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Samish Island
Samish Island's April 2026 forecast shows daily high temperatures ranging from 53° to 64°, with overnight lows between 40° and 48°. The average high for April is 58° with an average low of 44°. 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 Samish Island. See also: May | June | July.
