S
M
T
W
T
F
S
29
61°
42°
30
80°
56°
31
73°
36°
1
44°
36°
2
70°
41°
3
61°
42°
4
52°
34°
5
55°
36°
6
54°
29°
7
49°
30°
8
71°
39°
9
70°
47°
10
55°
37°
11
62°
38°
12
79°
60°
13
78°
60°
14
81°
60°
15
73°
57°
16
73°
52°
17
84°
45°
18
52°
38°
19
54°
35°
20
62°
46°
21
74°
51°
22
74°
50°
23
79°
57°
24
72°
50°
25
61°
44°
26
59°
41°
27
63°
42°
28
59°
42°
29
66°
43°
30
61°
46°
1
64°
42°
2
61°
45°
Temperature Graph
°F
Avg. Hi
Avg. Lo
Actual Hi
Actual Lo
Forecast Hi
Forecast Lo
April Weather in Starved Rock State Park
Starved Rock State Park's April 2026 forecast shows daily high temperatures ranging from 52° to 84°, with overnight lows between 35° and 57°. The average high for April is 66° with an average low of 45°. AccuWeather's monthly forecast extends further ahead than any other source, with day-by-day RealFeel® Temperatures giving a complete picture of how April weather will actually feel in Starved Rock State Park. See also: May | June | July.
