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.

Partly Cloudy

65°F

18°C

Humidity 87%
Wind Speed NE 7 mph
Barometer 30.14 in (1020.7 mb)
Dewpoint 61°F (16°C)
Visibility 10.00 mi
Last update 25 Jul 6:56 am EDT
Extended Forecast for

Patchogue NY

  • Today

    Today: Sunny, with a high near 79. Northeast wind 5 to 11 mph becoming east in the afternoon.

    High: 79 °F

    Sunny

  • Tonight

    Tonight: Clear, with a low around 62. East wind around 6 mph becoming calm in the evening.

    Low: 62 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 81. Northeast wind 5 to 8 mph.

    High: 81 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 65. South wind around 5 mph becoming calm in the evening.

    Low: 65 °F

    Mostly Clear

  • Monday

    Monday: Mostly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.

    High: 82 °F

    Mostly Sunny

  • Monday Night

    Monday Night: A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 68.

    Low: 68 °F

    Mostly Cloudy
    then Chance
    Showers

  • Tuesday

    Tuesday: Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.

    High: 81 °F

    Showers

  • Tuesday Night

    Tuesday Night: Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.

    Low: 68 °F

    Showers

  • Wednesday

    Wednesday: A 40 percent chance of showers. Partly sunny, with a high near 80.

    High: 80 °F

    Chance
    Showers

Detailed Forecast

Today
Sunny, with a high near 79. Northeast wind 5 to 11 mph becoming east in the afternoon.
Tonight
Clear, with a low around 62. East wind around 6 mph becoming calm in the evening.
Sunday
Sunny, with a high near 81. Northeast wind 5 to 8 mph.
Sunday Night
Mostly clear, with a low around 65. South wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 82. Light south wind increasing to 5 to 10 mph in the morning.
Monday Night
A 40 percent chance of showers after 2am. Mostly cloudy, with a low around 68.
Tuesday
Showers likely, then showers and possibly a thunderstorm after 2pm. High near 81. Chance of precipitation is 80%.
Tuesday Night
Showers and possibly a thunderstorm before 2am, then a chance of showers. Low around 68. Chance of precipitation is 80%.
Wednesday
A 40 percent chance of showers. Partly sunny, with a high near 80.
Wednesday Night
Partly cloudy, with a low around 67.
Thursday
Mostly sunny, with a high near 81.
Thursday Night
Partly cloudy, with a low around 68.
Friday
Mostly sunny, with a high near 82.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73.03°W (Elev. 23 ft)
Last Update:
2:44 am EDT Jul 25, 2026
Forecast Valid:
7am EDT Jul 25, 2026-6pm EDT Jul 31, 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