S
M
T
W
T
F
S
29
48°
30°
30
52°
41°
31
57°
41°
1
57°
46°
2
50°
39°
3
59°
43°
4
59°
43°
5
55°
36°
6
55°
36°
7
59°
43°
8
72°
46°
9
72°
39°
10
52°
39°
11
55°
45°
12
57°
39°
13
55°
37°
14
59°
37°
15
63°
46°
16
63°
46°
17
63°
48°
18
63°
43°
19
55°
41°
20
54°
36°
21
55°
41°
22
N/A
23
56°
41°
24
58°
41°
25
60°
48°
26
54°
46°
27
55°
45°
28
54°
45°
29
56°
46°
30
57°
45°
1
61°
47°
2
56°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
April Weather in Harwich
Harwich's April 2026 forecast shows daily high temperatures ranging from 54° to 61°, with overnight lows between 41° and 48°. The average high for April is 57° 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 Harwich. See also: May | June | July.
