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
59°
50°
14
56°
50°
15
55°
45°
16
61°
45°
17
71°
56°
18
67°
57°
19
67°
57°
20
73°
60°
21
65°
50°
22
58°
47°
23
62°
46°
24
54°
51°
25
64°
52°
26
71°
55°
27
71°
59°
28
64°
56°
29
65°
49°
30
54°
46°
31
67°
45°
1
55°
43°
2
63°
41°
3
74°
51°
4
69°
58°
5
81°
58°
6
69°
61°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in South Harwich
South Harwich's May 2026 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for May is ° with an average low of °. 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 South Harwich. See also: June | July | August.
