Monthly Historical AveragesNeptune, IA
Average Temperature
High
-3°
Feels -7
Low
-12°
Feels -19
Average Precipitation
4 Days
0mm
19.3cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, January 4, 2026
Day
9°Feels 5
Wind
37 km/h S
Gust
56 km/h
Humidity
61%
P.O.P
30%
Night
-3°Feels -6
Wind
20 km/h S
Gust
30 km/h
Humidity
93%
P.O.P
20%
Historical AveragesJan 4
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity