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 5, 2025 |
| Night | ||
 69.3°F Feels like: 69.3°F | Overcast | |
Wind: 10.3 mph (16.6 Km/h)  SPressure: 29.89 inHg (1012 hPa) Humidity: 93% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 0 | |
| Morning | ||
 72.3°F Feels like: 75.7°F | Partly Cloudy | |
| Wind: 6.9 mph (11.2 Km/h) S Pressure: 29.97 inHg (1015 hPa) Humidity: 82% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 1.8 | |
| Day | ||
 79.3°F Feels like: 82.9°F | Sunny | |
| Wind: 13.2 mph (21.2 Km/h) S Pressure: 29.95 inHg (1014 hPa) Humidity: 70% | Precip. prob.: 0% Visibility: 6 mi (10 km) UV index: 4.9 | |
| Evening | ||
 73.2°F Feels like: 77.2°F | Clear | |
| Wind: 17.9 mph (28.8 Km/h) S Pressure: 29.99 inHg (1015 hPa) Humidity: 84% | 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
You may also be interested in other sections of our site for Smithtown: Sea temperature, Sunrise and Sunset, Tides
Smithtown weather by month
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.
