Monthly Historical AveragesCharter Oak, IA
Average Temperature
High
22°
Feels 22
Low
10°
Feels 8
Average Precipitation
12 Days
120.3mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, May 28, 2026
Day
30°Feels 30
Wind
21 km/h SE
Gust
32 km/h
Humidity
35%
P.O.P
30%
Night
17°Feels 17
Wind
19 km/h SE
Gust
29 km/h
Humidity
88%
P.O.P
40%
Historical AveragesMay 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity