S
M
T
W
T
F
S
26
70°
42°
27
72°
53°
28
65°
49°
29
52°
35°
30
55°
32°
1
53°
32°
2
63°
30°
3
72°
45°
4
80°
42°
5
59°
35°
6
55°
31°
7
63°
28°
8
71°
29°
9
69°
41°
10
65°
32°
11
63°
31°
12
78°
43°
13
65°
39°
14
73°
34°
15
83°
54°
16
84°
60°
17
70°
56°
18
80°
60°
19
73°
53°
20
64°
45°
21
58°
45°
22
65°
46°
23
73°
54°
24
80°
54°
25
87°
59°
26
88°
58°
27
81°
57°
28
79°
52°
29
78°
50°
30
71°
48°
31
73°
52°
1
77°
54°
2
79°
54°
3
79°
56°
4
78°
57°
5
75°
56°
6
74°
59°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Sauk City
Sauk City's May 2026 forecast shows daily high temperatures ranging from 71° to 88°, with overnight lows between 48° and 59°. The average high for May is 78° with an average low of 55°. 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 Sauk City. See also: June | July | August.
