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.

A Few Clouds

67°F

19°C

Humidity 66%
Wind Speed S 10 mph
Barometer 30.17 in (1021.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Last update 4 Nov 10:56 am EST
Extended Forecast for

Medford NY

  • This Afternoon

    This Afternoon: Sunny, with a temperature falling to around 63 by 5pm. South wind around 10 mph.

    High: 71 °F⇓

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 58. South wind 5 to 7 mph.

    Low: 58 °F

    Partly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 70. South wind 8 to 11 mph, with gusts as high as 21 mph.

    High: 70 °F

    Mostly Cloudy

  • Thursday Night

    Thursday Night: A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 62 °F

    Chance
    Showers then
    Showers

  • Friday

    Friday: Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 67. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.

    High: 67 °F

    Heavy Rain

  • Friday Night

    Friday Night: Showers, mainly before midnight. The rain could be heavy at times. Low around 53. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.

    Low: 53 °F

    Heavy Rain
    then Chance
    Showers

  • Saturday

    Saturday: Mostly sunny, with a high near 64.

    High: 64 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 43.

    Low: 43 °F

    Partly Cloudy

  • Sunday

    Sunday: Mostly sunny, with a high near 59.

    High: 59 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a temperature falling to around 63 by 5pm. South wind around 10 mph.
Tonight
Partly cloudy, with a low around 58. South wind 5 to 7 mph.
Thursday
Mostly cloudy, with a high near 70. South wind 8 to 11 mph, with gusts as high as 21 mph.
Thursday Night
A chance of showers, then showers and possibly a thunderstorm after 1am. Low around 62. Southwest wind 7 to 9 mph, with gusts as high as 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Friday
Showers and possibly a thunderstorm. Some of the storms could produce heavy rainfall. High near 67. South wind 5 to 7 mph. Chance of precipitation is 100%. New rainfall amounts between 1 and 2 inches possible.
Friday Night
Showers, mainly before midnight. The rain could be heavy at times. Low around 53. Chance of precipitation is 90%. New precipitation amounts between 1 and 2 inches possible.
Saturday
Mostly sunny, with a high near 64.
Saturday Night
Partly cloudy, with a low around 43.
Sunday
Mostly sunny, with a high near 59.
Sunday Night
Partly cloudy, with a low around 41.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Sunny, with a high near 59.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Medford NY
 40.81°N 72.99°W (Elev. 79 ft)
Last Update:
7:41 am EST Nov 4, 2026
Forecast Valid:
12pm EST Nov 4, 2026-6pm EST Nov 10, 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