Monthly Historical AveragesBlue Island, IL
Average Temperature
High
15°
Feels 14
Low
5°
Feels 3
Average Precipitation
10 Days
64.2mm
0.4cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastWednesday, April 8, 2026
Day
17°Feels 16
Wind
33 km/h S
Gust
50 km/h
Humidity
44%
P.O.P
30%
Night
13°Feels 11
Wind
33 km/h S
Gust
50 km/h
Humidity
67%
P.O.P
80%
Rain
~1 mm
Historical AveragesApr 8
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity