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.

Fair

59°F

15°C

Humidity 93%
Wind Speed Calm
Barometer 30.13 in (1020.2 mb)
Dewpoint 57°F (14°C)
Visibility 9.00 mi
Last update 18 May 4:56 am EDT
Extended Forecast for

Oakdale NY

  • Today

    Today: Sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.

    High: 80 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 61. Southwest wind around 7 mph.

    Low: 61 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 81. Southwest wind 6 to 13 mph.

    High: 81 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 23 mph.

    Low: 64 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm, mainly after 5pm. High near 84. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    High: 84 °F

    Sunny then
    Showers

  • Wednesday Night

    Wednesday Night: Showers, mainly before 8pm. Low around 56. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 56 °F

    Showers then
    Chance
    Showers

  • Thursday

    Thursday: Partly sunny, with a high near 68.

    High: 68 °F

    Partly Sunny

  • Thursday Night

    Thursday Night: Mostly cloudy, with a low around 52.

    Low: 52 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 63.

    High: 63 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 80. Calm wind becoming south 5 to 9 mph in the morning.
Tonight
Partly cloudy, with a low around 61. Southwest wind around 7 mph.
Tuesday
Mostly sunny, with a high near 81. Southwest wind 6 to 13 mph.
Tuesday Night
Partly cloudy, with a low around 64. Southwest wind around 11 mph, with gusts as high as 23 mph.
Wednesday
Showers and possibly a thunderstorm, mainly after 5pm. High near 84. Southwest wind 8 to 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.
Wednesday Night
Showers, mainly before 8pm. Low around 56. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Thursday
Partly sunny, with a high near 68.
Thursday Night
Mostly cloudy, with a low around 52.
Friday
Partly sunny, with a high near 63.
Friday Night
Showers likely, mainly after 2am. Mostly cloudy, with a low around 51. Chance of precipitation is 60%.
Saturday
Showers likely. Cloudy, with a high near 63. Chance of precipitation is 70%.
Saturday Night
Showers likely. Cloudy, with a low around 53. Chance of precipitation is 60%.
Sunday
Showers likely. Mostly cloudy, with a high near 67. Chance of precipitation is 60%.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Oakdale NY
 40.74°N 73.13°W (Elev. 7 ft)
Last Update:
2:32 am EDT May 18, 2026
Forecast Valid:
5am EDT May 18, 2026-6pm EDT May 24, 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