Monthly Historical AveragesHartley, IA
Average Temperature
High
21°
Feels 21
Low
9°
Feels 7
Average Precipitation
11 Days
81.5mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, May 19, 2026
Day
13°Feels 11
Wind
27 km/h NW
Gust
41 km/h
Humidity
54%
P.O.P
30%
Night
3°Feels 1
Wind
22 km/h N
Gust
33 km/h
Humidity
87%
P.O.P
20%
Historical AveragesMay 19
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity