National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Light Rain

64°F

18°C

Humidity 65%
Wind Speed S 7 mph
Barometer 30.10 in (1019.2 mb)
Dewpoint 52°F (11°C)
Visibility 10.00 mi
Last update 1 Apr 5:56 pm EDT
Extended Forecast for

Patchogue NY

  • Tonight

    Tonight: Showers and possibly a thunderstorm. Low around 40. Light and variable wind becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 40 °F

    Showers

  • Thursday

    Thursday: A 40 percent chance of showers, mainly before 11am. Cloudy, with a high near 45. Northeast wind 13 to 15 mph, with gusts as high as 25 mph.

    High: 45 °F

    Chance
    Showers

  • Thursday Night

    Thursday Night: A 20 percent chance of showers after 8pm. Cloudy, with a low around 39. East wind 6 to 10 mph, with gusts as high as 20 mph.

    Low: 39 °F

    Slight Chance
    Showers

  • Friday

    Friday: Mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.

    High: 56 °F

    Mostly Cloudy

  • Friday Night

    Friday Night: Mostly cloudy, with a low around 49. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.

    Low: 49 °F

    Mostly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 62.

    High: 62 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Mostly cloudy, with a low around 44.

    Low: 44 °F

    Mostly Cloudy

  • Sunday

    Sunday: Showers, mainly after 2pm. High near 57. Chance of precipitation is 80%.

    High: 57 °F

    Chance
    Showers then
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly before 8pm. Low around 39. Chance of precipitation is 80%.

    Low: 39 °F

    Showers then
    Chance
    Showers

Detailed Forecast

Tonight
Showers and possibly a thunderstorm. Low around 40. Light and variable wind becoming northeast 5 to 10 mph after midnight. Winds could gust as high as 23 mph. Chance of precipitation is 90%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Thursday
A 40 percent chance of showers, mainly before 11am. Cloudy, with a high near 45. Northeast wind 13 to 15 mph, with gusts as high as 25 mph.
Thursday Night
A 20 percent chance of showers after 8pm. Cloudy, with a low around 39. East wind 6 to 10 mph, with gusts as high as 20 mph.
Friday
Mostly cloudy, with a high near 56. Light and variable wind becoming southwest 5 to 9 mph in the afternoon.
Friday Night
Mostly cloudy, with a low around 49. Southwest wind 7 to 10 mph, with gusts as high as 22 mph.
Saturday
Mostly sunny, with a high near 62.
Saturday Night
Mostly cloudy, with a low around 44.
Sunday
Showers, mainly after 2pm. High near 57. Chance of precipitation is 80%.
Sunday Night
Showers, mainly before 8pm. Low around 39. Chance of precipitation is 80%.
Monday
Mostly sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Mostly sunny, with a high near 50.
Tuesday Night
Partly cloudy, with a low around 33.
Wednesday
Sunny, with a high near 46.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
2:31 pm EDT Apr 1, 2026
Forecast Valid:
6pm EDT Apr 1, 2026-6pm EDT Apr 8, 2026
 
Forecast Discussion
 
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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

National Digital Forecast Database Maximum Temperature Forecast

High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation