S
M
T
W
T
F
S
26
57°
40°
27
68°
46°
28
64°
51°
29
56°
39°
30
54°
36°
1
48°
35°
2
55°
44°
3
65°
45°
4
77°
49°
5
54°
43°
6
52°
39°
7
51°
38°
8
61°
46°
9
63°
45°
10
61°
45°
11
62°
49°
12
65°
48°
13
62°
45°
14
68°
49°
15
61°
45°
16
62°
44°
17
63°
53°
18
70°
53°
19
64°
52°
20
68°
54°
21
71°
54°
22
68°
53°
23
72°
50°
24
64°
48°
25
64°
50°
26
66°
56°
27
70°
54°
28
66°
52°
29
67°
49°
30
68°
48°
31
67°
48°
1
67°
54°
2
75°
53°
3
67°
52°
4
68°
49°
5
68°
50°
6
68°
51°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Palatine
Palatine's May 2026 forecast shows daily high temperatures ranging from 48° to 77°, with overnight lows between 35° and 56°. The average high for May is 65° with an average low of 48°. 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 Palatine. See also: June | July | August.
