S
M
T
W
T
F
S
29
46°
33°
30
47°
31°
31
51°
35°
1
49°
43°
2
52°
43°
3
52°
44°
4
57°
42°
5
57°
39°
6
59°
37°
7
53°
42°
8
54°
35°
9
56°
37°
10
58°
37°
11
55°
47°
12
55°
46°
13
54°
48°
14
49°
43°
15
48°
36°
16
54°
41°
17
54°
43°
18
59°
48°
19
59°
48°
20
62°
51°
21
59°
51°
22
57°
44°
23
56°
46°
24
60°
47°
25
60°
49°
26
58°
47°
27
57°
48°
28
58°
46°
29
53°
41°
30
52°
42°
1
52°
42°
2
53°
43°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Seafair
Seafair's April 2026 forecast shows daily high temperatures ranging from 48° to 62°, with overnight lows between 36° and 51°. The average high for April is 56° with an average low of 45°. 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 Seafair. See also: May | June | July.
