Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

75°F

24°C

Humidity 88%
Wind Speed S 9 mph
Barometer 29.93 in (1013.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 22 Jun 11:56 pm EDT
Extended Forecast for

Sayville NY

  • Overnight

    Overnight: A 40 percent chance of showers and thunderstorms, mainly before 5am.  Patchy fog.  Otherwise, mostly cloudy, with a low around 71. Southwest wind around 10 mph.

    Low: 71 °F

    Chance
    T-storms and
    Patchy Fog

  • Sunday

    Sunday: A 30 percent chance of showers and thunderstorms, mainly after 5pm.  Partly sunny, with a high near 83. South wind 14 to 18 mph, with gusts as high as 30 mph.

    High: 83 °F

    Partly Sunny
    then Chance
    T-storms

  • Sunday Night

    Sunday Night: A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am.  Low around 71. Southwest wind 14 to 18 mph, with gusts as high as 31 mph.  Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 71 °F

    Showers

  • Monday

    Monday: A chance of showers, with thunderstorms also possible after noon.  Partly sunny, with a high near 84. West wind around 11 mph.  Chance of precipitation is 30%.

    High: 84 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Monday Night

    Monday Night: Mostly clear, with a low around 66. Northwest wind 6 to 9 mph.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 84.

    High: 84 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 69.

    Low: 69 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 83.

    High: 83 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: 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. Chance of precipitation is 60%.

    Low: 69 °F

    Showers
    Likely

Detailed Forecast

Overnight
A 40 percent chance of showers and thunderstorms, mainly before 5am. Patchy fog. Otherwise, mostly cloudy, with a low around 71. Southwest wind around 10 mph.
Sunday
A 30 percent chance of showers and thunderstorms, mainly after 5pm. Partly sunny, with a high near 83. South wind 14 to 18 mph, with gusts as high as 30 mph.
Sunday Night
A chance of showers and thunderstorms before 8pm, then showers and possibly a thunderstorm between 8pm and 2am, then a chance of showers and thunderstorms after 2am. Low around 71. Southwest wind 14 to 18 mph, with gusts as high as 31 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Monday
A chance of showers, with thunderstorms also possible after noon. Partly sunny, with a high near 84. West wind around 11 mph. Chance of precipitation is 30%.
Monday Night
Mostly clear, with a low around 66. Northwest wind 6 to 9 mph.
Tuesday
Sunny, with a high near 84.
Tuesday Night
Partly cloudy, with a low around 69.
Wednesday
Mostly sunny, with a high near 83.
Wednesday Night
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. Chance of precipitation is 60%.
Thursday
A 30 percent chance of showers. Partly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 66.
Friday
Sunny, with a high near 81.
Friday Night
Partly cloudy, with a low around 66.
Saturday
Mostly sunny, with a high near 81.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Sayville NY
 40.74°N 73.1°W (Elev. 30 ft)
10:06 pm EDT Jun 22, 2024
12am EDT Jun 23, 2024-6pm EDT Jun 29, 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