S
M
T
W
T
F
S
29
43°
25°
30
53°
42°
31
52°
45°
1
49°
41°
2
41°
38°
3
49°
39°
4
56°
39°
5
51°
40°
6
50°
37°
7
50°
30°
8
40°
29°
9
44°
26°
10
54°
35°
11
56°
42°
12
49°
33°
13
54°
43°
14
73°
47°
15
66°
51°
16
67°
48°
17
59°
46°
18
48°
44°
19
54°
38°
20
52°
33°
21
43°
36°
22
46°
39°
23
60°
36°
24
49°
32°
25
48°
33°
26
51°
41°
27
55°
45°
28
51°
43°
29
49°
43°
30
54°
45°
1
60°
45°
2
56°
47°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Harwich
Harwich's April 2026 forecast shows daily high temperatures ranging from 54° to 60°, with overnight lows between 45° and 47°. The average high for April is 57° with an average low of 46°. 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 Harwich. See also: May | June | July.
