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

74°F

23°C

Humidity 60%
Wind Speed S 12 mph
Barometer 30.08 in (1018.4 mb)
Dewpoint 59°F (15°C)
Visibility 10.00 mi
Last update 13 Sep 3:56 pm EDT
Extended Forecast for

2 Miles NNW Medford NY

  • Tonight

    Tonight: Partly cloudy, with a low around 60. South wind 5 to 8 mph.

    Low: 60 °F

    Partly Cloudy

  • Sunday

    Sunday: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 79. Southwest wind 3 to 6 mph.

    High: 79 °F

    Sunny then
    Slight Chance
    Showers

  • Sunday Night

    Sunday Night: Patchy fog after 3am. Otherwise, partly cloudy, with a low around 60. Light and variable wind.

    Low: 60 °F

    Partly Cloudy
    then Patchy
    Fog

  • Monday

    Monday: Patchy fog before 8am. Otherwise, sunny, with a high near 77. Northeast wind 6 to 9 mph becoming east in the afternoon.

    High: 77 °F

    Patchy Fog
    then Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.

    Low: 59 °F

    Partly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 76.

    High: 76 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 59.

    Low: 59 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 75.

    High: 75 °F

    Partly Sunny

  • Wednesday Night

    Wednesday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.

    Low: 60 °F

    Mostly Cloudy
    then Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 60. South wind 5 to 8 mph.
Sunday
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 79. Southwest wind 3 to 6 mph.
Sunday Night
Patchy fog after 3am. Otherwise, partly cloudy, with a low around 60. Light and variable wind.
Monday
Patchy fog before 8am. Otherwise, sunny, with a high near 77. Northeast wind 6 to 9 mph becoming east in the afternoon.
Monday Night
Partly cloudy, with a low around 59. Southeast wind around 5 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 76.
Tuesday Night
Partly cloudy, with a low around 59.
Wednesday
Partly sunny, with a high near 75.
Wednesday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 60.
Thursday
A 30 percent chance of showers before 2pm. Partly sunny, with a high near 75.
Thursday Night
Partly cloudy, with a low around 61.
Friday
Mostly sunny, with a high near 78.
Friday Night
Partly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 73.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
2 Miles NNW Medford NY
 40.84°N 72.99°W (Elev. 128 ft)
Last Update:
2:01 pm EDT Sep 13, 2025
Forecast Valid:
4pm EDT Sep 13, 2025-6pm EDT Sep 20, 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