Monthly Historical AveragesSmithtown, NY
Average Temperature
High
26°
Feels 27
Low
16°
Feels 16
Average Precipitation
12 Days
94.4mm
0cm
Content continues below
Daily Historical Averages
S
M
T
W
T
F
S
ForecastSunday, June 14, 2026
Day
30°Feels 30
Wind
33 km/h S
Gust
50 km/h
Humidity
38%
P.O.P
30%
Night
18°Feels 18
Wind
32 km/h S
Gust
48 km/h
Humidity
100%
P.O.P
100%
Rain
10-15 mm
Historical AveragesJun 14
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity