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

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

81°F

27°C

Humidity 72%
Wind Speed S 8 mph
Barometer 30.10 in (1019.0 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 13 Jul 12:56 pm EDT
Extended Forecast for

East Patchogue NY

  • This Afternoon

    This Afternoon: Partly sunny, with a high near 77. Southeast wind around 10 mph.

    High: 77 °F

    Partly Sunny

  • Tonight

    Tonight: Patchy drizzle and fog after 10pm. Mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming calm in the evening.

    Low: 71 °F

    Patchy
    Drizzle and
    Patchy Fog

  • Monday

    Monday: A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 5 to 9 mph.

    High: 81 °F

    Mostly Cloudy
    then Slight
    Chance
    T-storms

  • Monday Night

    Monday Night: A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph.

    Low: 73 °F

    Chance
    T-storms and
    Patchy Fog

  • Tuesday

    Tuesday: A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.

    High: 83 °F

    Chance
    T-storms

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 73.

    Low: 73 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 74.

    Low: 74 °F

    Mostly Cloudy
    then Chance
    Showers

  • Thursday

    Thursday: A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.

    High: 86 °F

    Chance
    Showers then
    Chance
    T-storms

Detailed Forecast

This Afternoon
Partly sunny, with a high near 77. Southeast wind around 10 mph.
Tonight
Patchy drizzle and fog after 10pm. Mostly cloudy, with a low around 71. Southeast wind 5 to 7 mph becoming calm in the evening.
Monday
A 20 percent chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 81. South wind 5 to 9 mph.
Monday Night
A 30 percent chance of showers and thunderstorms, mainly after 2am. Patchy fog after 4am. Otherwise, mostly cloudy, with a low around 73. Southwest wind 3 to 6 mph.
Tuesday
A 30 percent chance of showers and thunderstorms, mainly before 2pm. Partly sunny, with a high near 83. Calm wind becoming south 5 to 7 mph in the afternoon.
Tuesday Night
Partly cloudy, with a low around 73.
Wednesday
Mostly sunny, with a high near 86.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 74.
Thursday
A chance of showers before 8am, then a chance of showers and thunderstorms after 2pm. Partly sunny, with a high near 86. Chance of precipitation is 30%.
Thursday Night
A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 2am. Mostly cloudy, with a low around 74. Chance of precipitation is 40%.
Friday
A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.
Friday Night
A 30 percent chance of showers and thunderstorms. Partly cloudy, with a low around 73.
Saturday
Mostly sunny, with a high near 85.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
6:52 am EDT Jul 13, 2025
Forecast Valid:
1pm EDT Jul 13, 2025-6pm EDT Jul 19, 2025
 
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