Monthly Historical AveragesDecatur, TN
Average Temperature
High
22°
Feels 22
Low
9°
Feels 8
Average Precipitation
10 Days
111.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastTuesday, April 28, 2026
Day
21°Feels 21
Wind
25 km/h SW
Gust
38 km/h
Humidity
74%
P.O.P
40%
Rain
~5 mm
Night
17°Feels 17
Wind
18 km/h S
Gust
26 km/h
Humidity
97%
P.O.P
100%
Rain
5-10 mm
Historical AveragesApr 28
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity