Monthly Historical AveragesCrystal Lake, IA
Average Temperature
High
13°
Feels 11
Low
3°
Feels -2
Average Precipitation
10 Days
60.2mm
3.2cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, April 12, 2026
Day
24°Feels 24
Wind
39 km/h S
Gust
59 km/h
Humidity
61%
P.O.P
40%
Rain
<1 mm
Night
12°Feels 10
Wind
38 km/h SW
Gust
57 km/h
Humidity
100%
P.O.P
20%
Historical AveragesApr 12
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity