Monthly Historical AveragesArthur, IL
Average Temperature
High
18°
Feels 17
Low
7°
Feels 4
Average Precipitation
11 Days
91.9mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, April 23, 2026
Day
27°Feels 27
Wind
28 km/h S
Gust
42 km/h
Humidity
36%
P.O.P
30%
Night
17°Feels 16
Wind
24 km/h S
Gust
36 km/h
Humidity
86%
P.O.P
80%
Rain
~5 mm
Historical AveragesApr 23
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity