Monthly Historical AveragesNew Lenox, IL
Average Temperature
High
22°
Feels 22
Low
10°
Feels 9
Average Precipitation
12 Days
70.6mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, May 18, 2026
Day
26°Feels 26
Wind
36 km/h S
Gust
60 km/h
Humidity
65%
P.O.P
60%
Rain
2-4 mm
Night
22°Feels 22
Wind
36 km/h S
Gust
54 km/h
Humidity
88%
P.O.P
70%
Rain
~1 mm
Historical AveragesMay 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity