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

40°F

4°C

Humidity 86%
Wind Speed Calm
Barometer 30.17 in (1021.7 mb)
Dewpoint 36°F (2°C)
Visibility 10.00 mi
Last update 19 Nov 6:56 am EST
Extended Forecast for

Patchogue NYSimilar City Names

  • Today

    Today: Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 47 °F

    Rain Likely
    then Slight
    Chance Rain

  • Tonight

    Tonight: Increasing clouds, with a low around 35. Calm wind becoming north around 5 mph after midnight.

    Low: 35 °F

    Increasing
    Clouds

  • Thursday

    Thursday: Mostly sunny, with a high near 49. North wind 3 to 6 mph.

    High: 49 °F

    Mostly Sunny

  • Thursday Night

    Thursday Night: Increasing clouds, with a low around 38. Light and variable wind.

    Low: 38 °F

    Increasing
    Clouds

  • Friday

    Friday: A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 55. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 55 °F

    Cloudy then
    Slight Chance
    Rain

  • Friday Night

    Friday Night: A 40 percent chance of rain. Mostly cloudy, with a low around 41.

    Low: 41 °F

    Chance Rain

  • Saturday

    Saturday: A 30 percent chance of rain. Partly sunny, with a high near 53.

    High: 53 °F

    Chance Rain

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 38.

    Low: 38 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 51.

    High: 51 °F

    Mostly Sunny

Detailed Forecast

Today
Rain likely, mainly before 10am. Mostly cloudy, with a high near 47. Calm wind becoming northeast 5 to 8 mph in the morning. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
Increasing clouds, with a low around 35. Calm wind becoming north around 5 mph after midnight.
Thursday
Mostly sunny, with a high near 49. North wind 3 to 6 mph.
Thursday Night
Increasing clouds, with a low around 38. Light and variable wind.
Friday
A 20 percent chance of rain after 1pm. Mostly cloudy, with a high near 55. Light southwest wind increasing to 6 to 11 mph in the morning.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 41.
Saturday
A 30 percent chance of rain. Partly sunny, with a high near 53.
Saturday Night
Partly cloudy, with a low around 38.
Sunday
Mostly sunny, with a high near 51.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Mostly sunny, with a high near 55.
Monday Night
Partly cloudy, with a low around 41.
Tuesday
Partly sunny, with a high near 53.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NYSimilar City Names
 40.77°N 73°W (Elev. 43 ft)
Last Update:
5:50 am EST Nov 19, 2025
Forecast Valid:
7am EST Nov 19, 2025-6pm EST Nov 25, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation