Monthly Historical AveragesDecatur, MI
Average Temperature
High
15°
Feels 14
Low
3°
Feels 1
Average Precipitation
10 Days
53.7mm
1.7cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastMonday, April 13, 2026
Day
25°Feels 25
Wind
29 km/h W
Gust
44 km/h
Humidity
61%
P.O.P
40%
Rain
<1 mm
Night
18°Feels 18
Wind
31 km/h S
Gust
47 km/h
Humidity
88%
P.O.P
60%
Rain
~5 mm
Historical AveragesApr 13
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity