Monthly Historical AveragesGrissom AFB, IN
Average Temperature
High
16°
Feels 15
Low
5°
Feels 2
Average Precipitation
11 Days
97.5mm
0.5cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 21, 2026
Day
23°Feels 23
Wind
39 km/h SW
Gust
59 km/h
Humidity
36%
P.O.P
20%
Night
14°Feels 12
Wind
37 km/h SW
Gust
56 km/h
Humidity
88%
P.O.P
40%
Rain
~1 mm
Historical AveragesApr 21
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity