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.

A Few Clouds

77°F

25°C

Humidity 47%
Wind Speed N 9 G 17 mph
Barometer 29.96 in (1014.6 mb)
Dewpoint 55°F (13°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 11 Sep 3:56 pm EDT
Extended Forecast for

Medford NY

  • Tonight

    Tonight: Patchy fog after 4am. Otherwise, clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening.

    Low: 59 °F

    Mostly Clear
    then Patchy
    Fog

  • Saturday

    Saturday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Northeast wind 5 to 8 mph becoming south in the afternoon.

    High: 77 °F

    Patchy Fog
    then Mostly
    Sunny

  • Saturday Night

    Saturday Night: A chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Mostly Cloudy
    then Showers
    Likely

  • Sunday

    Sunday: Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 78. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.

    High: 78 °F

    Showers

  • Sunday Night

    Sunday Night: A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64. Southwest wind 3 to 6 mph.

    Low: 64 °F

    Chance
    Showers then
    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 75.

    High: 75 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 57.

    Low: 57 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 72.

    High: 72 °F

    Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 59.

    Low: 59 °F

    Mostly Clear

Detailed Forecast

Tonight
Patchy fog after 4am. Otherwise, clear, with a low around 59. West wind 5 to 7 mph becoming calm in the evening.
Saturday
Patchy fog before 7am. Otherwise, mostly sunny, with a high near 77. Northeast wind 5 to 8 mph becoming south in the afternoon.
Saturday Night
A chance of showers and thunderstorms between 2am and 5am, then showers likely and possibly a thunderstorm after 5am. Mostly cloudy, with a low around 67. South wind around 6 mph. Chance of precipitation is 60%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Sunday
Showers and possibly a thunderstorm before 2pm, then a chance of showers. High near 78. Southwest wind around 8 mph. Chance of precipitation is 90%. New rainfall amounts between three quarters and one inch possible.
Sunday Night
A 30 percent chance of showers before 8pm. Partly cloudy, with a low around 64. Southwest wind 3 to 6 mph.
Monday
Mostly sunny, with a high near 75.
Monday Night
Mostly clear, with a low around 57.
Tuesday
Sunny, with a high near 72.
Tuesday Night
Mostly clear, with a low around 59.
Wednesday
Sunny, with a high near 75.
Wednesday Night
Partly cloudy, with a low around 63.
Thursday
Mostly sunny, with a high near 78.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 63.
Friday
Mostly sunny, with a high near 76.
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ABOUT THIS FORECAST

 
Point Forecast:
Medford NY
 40.81°N 72.99°W (Elev. 79 ft)
Last Update:
2:27 pm EDT Sep 11, 2026
Forecast Valid:
4pm EDT Sep 11, 2026-6pm EDT Sep 18, 2026
 
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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