Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

50°F

10°C

Humidity 41%
Wind Speed S 15 mph
Barometer 30.44 in (1031.0 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill45°F (7°C)
Last update 12 Apr 3:56 pm EDT
Extended Forecast for

Patchogue NY

  • Tonight

    Tonight: Mostly cloudy, with a low around 46. South wind around 7 mph.

    Low: 46 °F

    Mostly Cloudy

  • Monday

    Monday: Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.

    High: 64 °F

    Mostly Cloudy

  • Monday Night

    Monday Night: Partly cloudy, with a low around 53. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.

    Low: 53 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 69. South wind 5 to 9 mph.

    High: 69 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: A 20 percent chance of showers before 2am.  Partly cloudy, with a low around 54. Southwest wind 6 to 8 mph.

    Low: 54 °F

    Slight Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny, with a high near 71.

    High: 71 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers before 2am.  Mostly cloudy, with a low around 54.

    Low: 54 °F

    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

Detailed Forecast

Tonight
Mostly cloudy, with a low around 46. South wind around 7 mph.
Monday
Mostly cloudy, with a high near 64. Southwest wind 10 to 14 mph, with gusts as high as 25 mph.
Monday Night
Partly cloudy, with a low around 53. Southwest wind 6 to 10 mph, with gusts as high as 22 mph.
Tuesday
Mostly sunny, with a high near 69. South wind 5 to 9 mph.
Tuesday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 54. Southwest wind 6 to 8 mph.
Wednesday
Mostly sunny, with a high near 71.
Wednesday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 49.
Sunday
Partly sunny, with a high near 63.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
4:35 pm EDT Apr 12, 2026
4pm EDT Apr 12, 2026-6pm EDT Apr 19, 2026
 
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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