S
M
T
W
T
F
S
29
69°
41°
30
73°
46°
31
69°
51°
1
58°
48°
2
54°
42°
3
66°
35°
4
60°
47°
5
62°
50°
6
78°
44°
7
57°
38°
8
57°
35°
9
68°
37°
10
69°
53°
11
74°
56°
12
64°
45°
13
77°
43°
14
78°
44°
15
72°
55°
16
64°
51°
17
76°
41°
18
73°
47°
19
78°
49°
20
80°
56°
21
65°
50°
22
72°
38°
23
57°
46°
24
65°
48°
25
73°
39°
26
76°
51°
27
62°
50°
28
N/A
29
58°
45°
30
65°
52°
1
62°
47°
2
73°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Onagawa
Onagawa's April 2026 forecast shows daily high temperatures ranging from 58° to 73°, with overnight lows between 45° and 57°. The average high for April is 65° with an average low of 50°. 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 Onagawa. See also: May | June | July.
