Monthly Historical AveragesEureka, IL
Average Temperature
High
17°
Feels 16
Low
5°
Feels 2
Average Precipitation
10 Days
94.7mm
0.5cm
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Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, April 9, 2026
Day
23°Feels 23
Wind
19 km/h SW
Gust
29 km/h
Humidity
38%
P.O.P
40%
Rain
<1 mm
Night
10°Feels 7
Wind
23 km/h SW
Gust
35 km/h
Humidity
87%
P.O.P
90%
Rain
~5 mm
Historical AveragesApr 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity