Monthly Historical AveragesSullivan, IN
Average Temperature
High
19°
Feels 18
Low
7°
Feels 6
Average Precipitation
11 Days
97mm
0.1cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, April 6, 2026
Day
16°Feels 15
Wind
24 km/h NW
Gust
36 km/h
Humidity
35%
P.O.P
0%
Night
2°Feels -3
Wind
18 km/h N
Gust
27 km/h
Humidity
71%
P.O.P
20%
Historical AveragesApr 6
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity