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

64°F

18°C

Humidity 93%
Wind Speed SW 5 mph
Barometer 30.19 in (1022.1 mb)
Dewpoint 62°F (17°C)
Visibility 10.00 mi
Last update 7 Oct 3:56 am EDT
Extended Forecast for

Medford NY

  • Today

    Today: Increasing clouds, with a high near 77. Light south wind increasing to 9 to 14 mph in the morning.

    High: 77 °F

    Increasing
    Clouds

  • Tonight

    Tonight: Showers likely, mainly after 4am. Mostly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.

    Low: 60 °F

    Slight Chance
    Showers then
    Showers
    Likely

  • Wednesday

    Wednesday: Showers and possibly a thunderstorm before noon, then showers likely. High near 72. Southwest wind 11 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.

    High: 72 °F

    Showers then
    Showers
    Likely

  • Wednesday Night

    Wednesday Night: Mostly cloudy, then gradually becoming clear, with a low around 47. North wind 11 to 13 mph, with gusts as high as 23 mph.

    Low: 47 °F

    Decreasing
    Clouds

  • Thursday

    Thursday: Sunny, with a high near 60. North wind 11 to 14 mph.

    High: 60 °F

    Sunny

  • Thursday Night

    Thursday Night: Clear, with a low around 45.

    Low: 45 °F

    Clear

  • Friday

    Friday: Sunny, with a high near 63.

    High: 63 °F

    Sunny

  • Friday Night

    Friday Night: Partly cloudy, with a low around 50.

    Low: 50 °F

    Partly Cloudy

  • Saturday

    Saturday: Mostly sunny, with a high near 67.

    High: 67 °F

    Mostly Sunny

Detailed Forecast

Today
Increasing clouds, with a high near 77. Light south wind increasing to 9 to 14 mph in the morning.
Tonight
Showers likely, mainly after 4am. Mostly cloudy, with a low around 60. South wind 11 to 13 mph, with gusts as high as 23 mph. Chance of precipitation is 60%. New precipitation amounts of less than a tenth of an inch possible.
Wednesday
Showers and possibly a thunderstorm before noon, then showers likely. High near 72. Southwest wind 11 to 14 mph becoming northwest in the afternoon. Chance of precipitation is 100%. New precipitation amounts between a half and three quarters of an inch possible.
Wednesday Night
Mostly cloudy, then gradually becoming clear, with a low around 47. North wind 11 to 13 mph, with gusts as high as 23 mph.
Thursday
Sunny, with a high near 60. North wind 11 to 14 mph.
Thursday Night
Clear, with a low around 45.
Friday
Sunny, with a high near 63.
Friday Night
Partly cloudy, with a low around 50.
Saturday
Mostly sunny, with a high near 67.
Saturday Night
Mostly cloudy, with a low around 53.
Sunday
Partly sunny, with a high near 67.
Sunday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 52.
Columbus Day
Mostly sunny, with a high near 67.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Medford NY
 40.81°N 72.99°W (Elev. 79 ft)
Last Update:
4:24 am EDT Oct 7, 2025
Forecast Valid:
4am EDT Oct 7, 2025-6pm EDT Oct 13, 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