S
M
T
W
T
F
S
27
65°
49°
28
74°
43°
29
83°
47°
30
89°
52°
31
87°
55°
1
86°
55°
2
74°
63°
3
81°
58°
4
76°
55°
5
78°
47°
6
71°
57°
7
73°
57°
8
79°
49°
9
72°
55°
10
77°
57°
11
78°
57°
12
77°
57°
13
58°
49°
14
65°
43°
15
67°
47°
16
63°
53°
17
70°
51°
18
69°
44°
19
77°
45°
20
67°
47°
21
67°
46°
22
74°
41°
23
78°
45°
24
86°
45°
25
88°
48°
26
89°
52°
27
91°
50°
28
90°
52°
29
91°
51°
30
89°
53°
31
78°
53°
1
70°
54°
2
80°
45°
3
84°
57°
4
71°
48°
5
79°
40°
6
82°
44°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
August Weather in Peoria
Peoria's August 2025 forecast shows daily high temperatures ranging from ° to °, with overnight lows between ° and °. The average high for August is ° with an average low of °. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how August weather will actually feel in Peoria. See also: September | October | November.
