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7 Days
14 Days
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°C
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°Fahrenheit
Monthly Historical Averages
Illinois Beach State Park South, IL
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Daily Historical Averages
April 2026
S
M
T
W
T
F
S
1
2
15°
3
11°
4
12°
5
6°
6
6°
7
3°
8
8°
9
10°
10
9°
11
8°
12
8°
13
8°
14
9°
15
9°
16
9°
17
18
19
20
21
22
23
24
25
26
27
28
29
30
Forecast
Thursday, April 2, 2026
Day
15°
Feels 13
Wind
34 km/h E
Gust
51 km/h
Humidity
93%
P.O.P
90%
Rain
15-20 mm
Night
10°
Feels 5
Wind
39 km/h S
Gust
59 km/h
Humidity
94%
P.O.P
60%
Rain
2-4 mm
Historical Averages
Apr 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
April
Average Temperature
High
11°
Feels 9
Low
4°
Feels 0
Average Precipitation
10 Days
Rain amount
87.7mm
Snow amount
0.8cm