S
M
T
W
T
F
S
26
63°
46°
27
82°
41°
28
77°
55°
29
68°
53°
30
57°
41°
1
61°
36°
2
55°
35°
3
N/A
4
72°
58°
5
75°
57°
6
63°
50°
7
58°
42°
8
58°
43°
9
61°
43°
10
65°
50°
11
66°
44°
12
68°
47°
13
70°
45°
14
69°
49°
15
68°
45°
16
73°
50°
17
76°
48°
18
76°
54°
19
74°
53°
20
78°
52°
21
74°
50°
22
71°
45°
23
66°
44°
24
68°
47°
25
69°
50°
26
69°
47°
27
70°
46°
28
70°
47°
29
71°
48°
30
72°
50°
31
78°
57°
1
73°
55°
2
74°
51°
3
74°
53°
4
75°
56°
5
79°
57°
6
82°
58°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Racine
Racine's May 2026 forecast shows daily high temperatures ranging from 58° to 82°, with overnight lows between 42° and 58°. The average high for May is 71° with an average low of 50°. 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 Racine. See also: June | July | August.