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

80°F

27°C

Humidity 87%
Wind Speed SW 8 mph
Barometer 30.13 in (1020.2 mb)
Dewpoint 76°F (24°C)
Visibility 10.00 mi
Heat Index85°F (29°C)
Last update 6 Aug 8:56 am EDT
Extended Forecast for

Oakdale NY

Heat Advisory August 6, 11:00am until August 7, 08:00pm
Click here for hazard details and duration
Heat Advisory

  • Today

    Today: Mostly sunny, with a high near 86. Heat index values as high as 100. Southwest wind 7 to 11 mph.

    High: 86 °F

    Mostly Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 75. Southwest wind 6 to 10 mph.

    Low: 75 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 87. Heat index values as high as 100. Light southwest wind increasing to 6 to 11 mph in the morning.

    High: 87 °F

    Sunny

  • Friday Night

    Friday Night: A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 8 mph.

    Low: 74 °F

    Chance
    T-storms then
    Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 87. Southwest wind 6 to 11 mph.

    High: 87 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 74.

    Low: 74 °F

    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

Today
Mostly sunny, with a high near 86. Heat index values as high as 100. Southwest wind 7 to 11 mph.
Tonight
Partly cloudy, with a low around 75. Southwest wind 6 to 10 mph.
Friday
Sunny, with a high near 87. Heat index values as high as 100. Light southwest wind increasing to 6 to 11 mph in the morning.
Friday Night
A 50 percent chance of showers and thunderstorms, mainly between 8pm and 2am. Mostly cloudy, with a low around 74. Southwest wind 5 to 8 mph.
Saturday
Mostly sunny, with a high near 87. Southwest wind 6 to 11 mph.
Saturday Night
Partly cloudy, with a low around 74.
Sunday
Sunny, with a high near 88.
Sunday Night
Mostly clear, with a low around 74.
Monday
Sunny, with a high near 86.
Monday Night
A 30 percent chance of showers before 2am. Partly cloudy, with a low around 74.
Tuesday
A 30 percent chance of showers. Mostly sunny, with a high near 87.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 72.
Wednesday
Mostly sunny, with a high near 84.
Basemap Options
Click map to change the forecast location
Loading map...
Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Oakdale NY
 40.74°N 73.16°W (Elev. 7 ft)
Last Update:
3:15 am EDT Aug 6, 2026
Forecast Valid:
9am EDT Aug 6, 2026-6pm EDT Aug 12, 2026
 
Forecast Discussion
 
Get as KML Get as XML

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