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.

Mostly Cloudy

82°F

28°C

Humidity 58%
Wind Speed NW 12 G 17 mph
Barometer 29.86 in (1010.9 mb)
Dewpoint 66°F (19°C)
Visibility 10.00 mi
Heat Index84°F (29°C)
Last update 13 Aug 12:56 pm EDT
Extended Forecast for

Medford NY

  • This Afternoon

    This Afternoon: A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 83. Northwest wind 11 to 13 mph.

    High: 83 °F

    Slight Chance
    Showers

  • Tonight

    Tonight: Partly cloudy, with a low around 68. Northwest wind 3 to 7 mph.

    Low: 68 °F

    Partly Cloudy

  • Friday

    Friday: Sunny, with a high near 83. Northwest wind 6 to 9 mph.

    High: 83 °F

    Sunny

  • Friday Night

    Friday Night: A 20 percent chance of showers before 2am. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable.

    Low: 66 °F

    Slight Chance
    Showers

  • Saturday

    Saturday: Sunny, with a high near 82. North wind 8 to 13 mph.

    High: 82 °F

    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 66.

    Low: 66 °F

    Partly Cloudy

  • Sunday

    Sunday: A 40 percent chance of showers after 2pm. Partly sunny, with a high near 81.

    High: 81 °F

    Partly Sunny
    then Chance
    Showers

  • Sunday Night

    Sunday Night: Showers, mainly after 8pm. Low around 70. Chance of precipitation is 80%.

    Low: 70 °F

    Showers

  • Monday

    Monday: Showers likely before 8am. Partly sunny, with a high near 86. Chance of precipitation is 60%.

    High: 86 °F

    Showers
    Likely then
    Mostly Sunny

Detailed Forecast

This Afternoon
A 20 percent chance of showers after 2pm. Mostly sunny, with a high near 83. Northwest wind 11 to 13 mph.
Tonight
Partly cloudy, with a low around 68. Northwest wind 3 to 7 mph.
Friday
Sunny, with a high near 83. Northwest wind 6 to 9 mph.
Friday Night
A 20 percent chance of showers before 2am. Partly cloudy, with a low around 66. Southwest wind around 5 mph becoming light and variable.
Saturday
Sunny, with a high near 82. North wind 8 to 13 mph.
Saturday Night
Partly cloudy, with a low around 66.
Sunday
A 40 percent chance of showers after 2pm. Partly sunny, with a high near 81.
Sunday Night
Showers, mainly after 8pm. Low around 70. Chance of precipitation is 80%.
Monday
Showers likely before 8am. Partly sunny, with a high near 86. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 67.
Tuesday
Sunny, with a high near 83.
Tuesday Night
Mostly clear, with a low around 67.
Wednesday
Sunny, with a high near 83.
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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:
4:30 am EDT Aug 13, 2026
Forecast Valid:
1pm EDT Aug 13, 2026-6pm EDT Aug 19, 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