S
M
T
W
T
F
S
26
64°
35°
27
51°
33°
28
51°
35°
29
57°
41°
30
54°
39°
1
54°
38°
2
57°
39°
3
60°
45°
4
66°
46°
5
66°
47°
6
65°
45°
7
60°
42°
8
65°
47°
9
67°
48°
10
67°
48°
11
69°
51°
12
69°
51°
13
68°
46°
14
59°
42°
15
62°
41°
16
65°
44°
17
63°
42°
18
65°
46°
19
69°
46°
20
68°
51°
21
68°
52°
22
69°
44°
23
64°
43°
24
64°
42°
25
65°
42°
26
64°
43°
27
66°
47°
28
68°
51°
29
70°
47°
30
71°
52°
31
71°
56°
1
73°
53°
2
73°
48°
3
67°
52°
4
72°
57°
5
75°
57°
6
73°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sandusky
Sandusky's May 2026 forecast shows daily high temperatures ranging from 51° to 75°, with overnight lows between 33° and 58°. The average high for May is 65° 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 May weather will actually feel in Sandusky. See also: June | July | August.