Monthly Historical AveragesSmithtown, NJ

Average Temperature
High
27°
Feels 28
Low
15°
Feels 15
Average Precipitation
12 Days
Rain amount
98.2mm
Snow amount
0cm
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Daily Historical Averages

S
M
T
W
T
F
S
ForecastThursday, June 18, 2026
Day
Risk of a thunderstorm
31°Feels 32
Wind
33 km/h S
Gust
50 km/h
Humidity
46%
P.O.P
70%
Rain
1-3 mm
Night
Partly cloudy
19°Feels 19
Wind
30 km/h W
Gust
45 km/h
Humidity
73%
P.O.P
30%
Historical AveragesJun 18
High
Feels
Low
Feels
Precip Frequency
Total Daylight
Humidity
Historical Averages are based on data recorded from 2000 onwards.
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