Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

59°F

15°C

Humidity 87%
Wind Speed NE 15 G 23 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 16 May 10:56 pm EDT
Extended Forecast for

Smithtown NY

  • Tonight

    Tonight: A slight chance of drizzle or light rain before midnight.  Mostly cloudy, with a low around 54. Northeast wind 9 to 11 mph.  Chance of precipitation is 20%.

    Low: 54 °F

    Slight Chance
    Light Rain

  • Friday

    Friday: Partly sunny, with a high near 72. Northeast wind around 10 mph.

    High: 72 °F

    Partly Sunny

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 53. Northeast wind 3 to 6 mph.

    Low: 53 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly cloudy, with a high near 69. Northeast wind around 7 mph.

    High: 69 °F

    Mostly Cloudy

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming light and variable.

    Low: 51 °F

    Mostly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 50.

    Low: 50 °F

    Mostly Clear

Detailed Forecast

Tonight
A slight chance of drizzle or light rain before midnight. Mostly cloudy, with a low around 54. Northeast wind 9 to 11 mph. Chance of precipitation is 20%.
Friday
Partly sunny, with a high near 72. Northeast wind around 10 mph.
Friday Night
Mostly cloudy, with a low around 53. Northeast wind 3 to 6 mph.
Saturday
Mostly cloudy, with a high near 69. Northeast wind around 7 mph.
Saturday Night
Mostly cloudy, with a low around 51. Southeast wind around 5 mph becoming light and variable.
Sunday
Mostly sunny, with a high near 71.
Sunday Night
Partly cloudy, with a low around 50.
Monday
Mostly sunny, with a high near 71.
Monday Night
Mostly clear, with a low around 50.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Partly cloudy, with a low around 52.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
A 30 percent chance of showers. Mostly sunny, with a high near 76.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Smithtown NY
 40.86°N 73.19°W (Elev. 98 ft)
10:58 pm EDT May 16, 2024
11pm EDT May 16, 2024-6pm EDT May 23, 2024
 
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Additional Resources

Radar & Satellite Image

Link to Local Radar Data Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database