S
M
T
W
T
F
S
29
69°
46°
30
70°
52°
31
66°
51°
1
64°
46°
2
65°
44°
3
72°
45°
4
70°
46°
5
63°
45°
6
57°
40°
7
N/A
8
57°
41°
9
55°
48°
10
56°
43°
11
64°
41°
12
75°
49°
13
71°
49°
14
75°
55°
15
74°
54°
16
74°
55°
17
66°
47°
18
65°
46°
19
69°
47°
20
67°
50°
21
67°
49°
22
66°
50°
23
67°
51°
24
68°
51°
25
69°
52°
26
68°
51°
27
62°
47°
28
63°
49°
29
62°
52°
30
63°
52°
1
63°
50°
2
70°
54°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Incheon
Incheon's April 2026 forecast shows daily high temperatures ranging from 55° to 75°, with overnight lows between 41° and 55°. The average high for April is 66° with an average low of 49°. 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 Incheon. See also: May | June | July.
