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.

Overcast

73°F

23°C

Humidity 94%
Wind Speed S 3 mph
Barometer 30.05 in (1017.5 mb)
Dewpoint 71°F (22°C)
Visibility 10.00 mi
Last update 7 Aug 10:56 pm EDT
Extended Forecast for

Oakdale NY

Heat Advisory August 7, 11:48pm until August 8, 08:00pm
Click here for hazard details and duration
Heat Advisory
  •  
    Heat Advisory August 7, 11:48pm until August 8, 08:00pm

    NOW until 8:00pm Sat

    Heat Advisory

  • Tonight

    Low: 74 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: A slight chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.

    High: 86 °F

    Mostly Sunny
    then Chance
    T-storms

  • Saturday Night

    Saturday Night: A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. Southwest wind 5 to 8 mph.

    Low: 75 °F

    Chance
    T-storms then
    Partly Cloudy

  • Sunday

    Sunday: Sunny, with a high near 88. Heat index values as high as 95. Southwest wind 6 to 10 mph.

    High: 88 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 72. West wind around 6 mph becoming light and variable in the evening.

    Low: 72 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 75.

    Low: 75 °F

    Partly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.

    High: 86 °F

    Mostly Sunny
    then Chance
    Showers

Detailed Forecast

Tonight
A 20 percent chance of showers before 2am. Mostly cloudy, with a low around 74. Southwest wind around 7 mph.
Saturday
A slight chance of showers between 2pm and 5pm, then a chance of showers and thunderstorms after 5pm. Mostly sunny, with a high near 86. Southwest wind 6 to 11 mph. Chance of precipitation is 30%.
Saturday Night
A 30 percent chance of showers and thunderstorms before 11pm. Partly cloudy, with a low around 75. Southwest wind 5 to 8 mph.
Sunday
Sunny, with a high near 88. Heat index values as high as 95. Southwest wind 6 to 10 mph.
Sunday Night
Mostly clear, with a low around 72. West wind around 6 mph becoming light and variable in the evening.
Monday
Sunny, with a high near 86.
Monday Night
Partly cloudy, with a low around 75.
Tuesday
A 30 percent chance of showers after 2pm. Mostly sunny, with a high near 86.
Tuesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 72.
Wednesday
Partly sunny, with a high near 83.
Wednesday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 71.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 81.
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 73.13°W (Elev. 7 ft)
Last Update:
8:49 pm EDT Aug 7, 2026
Forecast Valid:
11pm EDT Aug 7, 2026-6pm EDT Aug 14, 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