S
M
T
W
T
F
S
26
66°
41°
27
70°
51°
28
65°
49°
29
60°
38°
30
58°
37°
1
53°
35°
2
58°
37°
3
67°
45°
4
63°
44°
5
62°
43°
6
61°
42°
7
60°
42°
8
60°
40°
9
61°
44°
10
62°
45°
11
69°
47°
12
64°
46°
13
63°
42°
14
63°
43°
15
64°
43°
16
67°
47°
17
68°
51°
18
73°
54°
19
74°
50°
20
70°
49°
21
67°
48°
22
67°
47°
23
74°
56°
24
77°
56°
25
77°
55°
26
72°
51°
27
69°
50°
28
73°
56°
29
77°
58°
30
79°
58°
31
80°
57°
1
80°
59°
2
81°
60°
3
82°
60°
4
80°
55°
5
72°
53°
6
75°
60°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sandwich
Sandwich's May 2026 forecast shows daily high temperatures ranging from 53° to 82°, with overnight lows between 35° and 60°. The average high for May is 69° with an average low of 49°. 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 Sandwich. See also: June | July | August.