S
M
T
W
T
F
S
26
51°
41°
27
55°
45°
28
51°
43°
29
49°
43°
30
56°
46°
1
59°
46°
2
55°
47°
3
52°
42°
4
59°
41°
5
59°
51°
6
63°
54°
7
60°
47°
8
59°
41°
9
61°
44°
10
61°
51°
11
59°
44°
12
57°
43°
13
N/A
14
57°
49°
15
51°
47°
16
67°
55°
17
69°
53°
18
62°
53°
19
66°
58°
20
70°
57°
21
62°
51°
22
63°
49°
23
62°
50°
24
65°
54°
25
67°
55°
26
70°
56°
27
68°
53°
28
60°
52°
29
60°
52°
30
61°
56°
31
62°
56°
1
63°
55°
2
63°
55°
3
64°
54°
4
62°
53°
5
63°
57°
6
64°
57°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in West Harwich
West Harwich's May 2026 forecast shows daily high temperatures ranging from 51° to 70°, with overnight lows between 47° and 58°. The average high for May is 63° with an average low of 54°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how May weather will actually feel in West Harwich. See also: June | July | August.
