Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Partly Cloudy

73°F

23°C

Humidity 87%
Wind Speed Vrbl 3 mph
Barometer 30.07 in (1018.2 mb)
Dewpoint 69°F (21°C)
Visibility 10.00 mi
Last update 22 Jun 1:56 am EDT
Extended Forecast for

Sayville NY

  • Overnight

    Overnight: Mostly cloudy, with a low around 69. Southwest wind around 7 mph.

    Low: 69 °F

    Mostly Cloudy

  • Saturday

    Saturday: A 20 percent chance of showers and thunderstorms after 2pm.  Mostly sunny, with a high near 79. South wind 8 to 13 mph.

    High: 79 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am.  Mostly cloudy, with a low around 71. South wind 8 to 10 mph.

    Low: 71 °F

    Chance
    T-storms

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 84. Breezy, with a southwest wind 10 to 20 mph.

    High: 84 °F

    Partly Sunny
    then Chance
    Showers and
    Breezy

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Mostly cloudy, with a low around 69. Southwest wind 13 to 17 mph.  Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Showers
    Likely

  • Monday

    Monday: A 50 percent chance of showers and thunderstorms.  Partly sunny, with a high near 82.

    High: 82 °F

    Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 65.

    Low: 65 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 82.

    High: 82 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 68.

    Low: 68 °F

    Partly Cloudy

Detailed Forecast

Overnight
Mostly cloudy, with a low around 69. Southwest wind around 7 mph.
Saturday
A 20 percent chance of showers and thunderstorms after 2pm. Mostly sunny, with a high near 79. South wind 8 to 13 mph.
Saturday Night
A 30 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 71. South wind 8 to 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 84. Breezy, with a southwest wind 10 to 20 mph.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers likely and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Mostly cloudy, with a low around 69. Southwest wind 13 to 17 mph. Chance of precipitation is 70%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A 50 percent chance of showers and thunderstorms. Partly sunny, with a high near 82.
Monday Night
Mostly clear, with a low around 65.
Tuesday
Sunny, with a high near 82.
Tuesday Night
Partly cloudy, with a low around 68.
Wednesday
Mostly sunny, with a high near 82.
Wednesday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 69.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 80.
Thursday Night
Partly cloudy, with a low around 64.
Friday
Sunny, with a high near 78.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Sayville NY
 40.73°N 73.07°W (Elev. 16 ft)
10:36 pm EDT Jun 21, 2024
2am EDT Jun 22, 2024-6pm EDT Jun 28, 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