S
M
T
W
T
F
S
26
63°
46°
27
78°
46°
28
71°
55°
29
61°
46°
30
56°
40°
1
50°
36°
2
48°
33°
3
62°
31°
4
75°
45°
5
71°
46°
6
57°
39°
7
58°
38°
8
67°
43°
9
73°
53°
10
64°
48°
11
68°
36°
12
73°
42°
13
65°
46°
14
63°
45°
15
70°
37°
16
76°
52°
17
86°
60°
18
91°
65°
19
89°
67°
20
69°
52°
21
67°
49°
22
61°
51°
23
73°
59°
24
73°
55°
25
74°
59°
26
80°
57°
27
75°
64°
28
76°
55°
29
81°
48°
30
74°
54°
31
N/A
1
75°
49°
2
77°
50°
3
80°
54°
4
83°
59°
5
85°
63°
6
83°
65°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
*Temporarily Unavailable
May Weather in Peoria
Peoria's May 2026 forecast shows daily high temperatures ranging from 75° to 85°, with overnight lows between 49° and 65°. The average high for May is 81° with an average low of 57°. 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 Peoria. See also: June | July | August.
