Monthly Historical AveragesGrinnell, KS
Average Temperature
High
5°
Feels 3
Low
-8°
Feels -14
Average Precipitation
4 Days
0mm
8.9cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastFriday, January 9, 2026
Day
4°Feels 2
Wind
20 km/h N
Gust
30 km/h
Humidity
45%
P.O.P
90%
Snow
~1 cm
Rain
~1 mm
Night
-4°Feels -10
Wind
19 km/h N
Gust
28 km/h
Humidity
85%
P.O.P
30%
Historical AveragesJan 9
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity