Weather forecast in Smithtown (NY)

This data display current weather and forecast for the coming days in Smithtown. In addition to temperature, wind, humidity and pressure, we include data on the probability of precipitation so you can have all the information about your destination before your trip.

Smithtown current temperature and weather

September 26, 2025

Night
68.5°F Feels like: 68.5°F	Clear
	Wind: 6.5 mph (10.4 Km/h) W Pressure: 29.66 inHg (1005 hPa) Humidity: 91%	Precip. prob.: 0% Visibility: 1 mi (2 km) UV index: 0
Morning
70°F Feels like: 70°F	Sunny
	Wind: 5.8 mph (9.4 Km/h) W Pressure: 29.72 inHg (1006 hPa) Humidity: 85%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0.8
Day
84.2°F Feels like: 87.6°F	Sunny
	Wind: 5.4 mph (8.6 Km/h) W Pressure: 29.8 inHg (1009 hPa) Humidity: 56%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 3.8
Evening
73.4°F Feels like: 77.5°F	Clear
	Wind: 6.9 mph (11.2 Km/h) W Pressure: 29.86 inHg (1011 hPa) Humidity: 80%	Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0

Marine weather forecast Smithtown

The graphs show wave heights and directions, as well as wind speed and direction in Smithtown for the coming days. Click on the sea state chart for more details

In order for you to be able to estimate what the weather is like in Smithtown throughout the year, we provide monthly data for the last few years. Select the month you are interested in.

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Our report for Smithtown is compiled using satellite data together with in-situ observations to get the most reliable daily data of sea surface temperatures, surf forecasts, current temperatures and weather forecasts.