S
M
T
W
T
F
S
26
59°
42°
27
68°
47°
28
64°
50°
29
57°
40°
30
56°
37°
1
50°
35°
2
57°
32°
3
68°
45°
4
80°
51°
5
60°
45°
6
55°
42°
7
57°
47°
8
64°
46°
9
68°
49°
10
63°
44°
11
61°
46°
12
62°
48°
13
68°
52°
14
64°
47°
15
69°
53°
16
69°
53°
17
71°
49°
18
65°
51°
19
71°
55°
20
70°
55°
21
68°
45°
22
65°
45°
23
65°
47°
24
66°
47°
25
66°
48°
26
67°
48°
27
66°
49°
28
67°
48°
29
68°
53°
30
69°
58°
31
74°
54°
1
70°
54°
2
73°
59°
3
76°
59°
4
78°
60°
5
78°
61°
6
80°
62°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
May Weather in Proviso Township
Proviso Township's May 2026 forecast shows daily high temperatures ranging from 55° to 80°, with overnight lows between 42° and 62°. The average high for May is 68° with an average low of 51°. 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 Proviso Township. See also: June | July | August.
