Monthly Historical AveragesArco, ID
Average Temperature
High
12°
Feels 10
Low
-2°
Feels -5
Average Precipitation
6 Days
14.1mm
3.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastThursday, April 2, 2026
Day
4°Feels -2
Wind
42 km/h W
Gust
63 km/h
Humidity
41%
P.O.P
60%
Snow
<1 cm
Rain
<1 mm
Night
-4°Feels -9
Wind
29 km/h W
Gust
44 km/h
Humidity
74%
P.O.P
30%
Historical AveragesApr 2
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity