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.

Mostly Cloudy

55°F

13°C

Humidity 38%
Wind Speed NW 16 G 25 mph
Barometer 30.00 in (1015.9 mb)
Dewpoint 30°F (-1°C)
Visibility 10.00 mi
Wind Chill51°F (11°C)
Last update 6 Nov 11:56 am EST
Extended Forecast for

Fort Salonga NY

Frost Advisory November 7, 12:00am until November 7, 07:00am
Click here for hazard details and duration
Frost Advisory

  • This Afternoon

    This Afternoon: Sunny, with a high near 53. Breezy, with a northwest wind 18 to 22 mph.

    High: 53 °F

    Sunny and
    Breezy

  • Tonight

    Tonight: Partly cloudy, with a low around 39. Northwest wind 5 to 13 mph.

    Low: 39 °F

    Partly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 61. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon.

    High: 61 °F

    Mostly Sunny
    then Partly
    Sunny and
    Breezy

  • Friday Night

    Friday Night: Showers likely. Cloudy, with a low around 52. South wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Showers
    Likely

  • Saturday

    Saturday: A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind 8 to 11 mph.

    High: 65 °F

    Slight Chance
    Showers

  • Saturday Night

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

    Low: 50 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.

    High: 63 °F

    Rain Likely

  • Sunday Night

    Sunday Night: A 40 percent chance of showers. Mostly cloudy, with a low around 42.

    Low: 42 °F

    Chance
    Showers

  • Monday

    Monday: Mostly sunny, with a high near 50.

    High: 50 °F

    Mostly Sunny

Detailed Forecast

This Afternoon
Sunny, with a high near 53. Breezy, with a northwest wind 18 to 22 mph.
Tonight
Partly cloudy, with a low around 39. Northwest wind 5 to 13 mph.
Friday
Partly sunny, with a high near 61. Breezy, with a south wind 5 to 10 mph increasing to 17 to 22 mph in the afternoon.
Friday Night
Showers likely. Cloudy, with a low around 52. South wind 14 to 18 mph, with gusts as high as 29 mph. Chance of precipitation is 70%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
A 20 percent chance of showers before 1pm. Mostly sunny, with a high near 65. West wind 8 to 11 mph.
Saturday Night
Partly cloudy, with a low around 50.
Sunday
Rain likely. Mostly cloudy, with a high near 63. Chance of precipitation is 70%.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 42.
Monday
Mostly sunny, with a high near 50.
Monday Night
Partly cloudy, with a low around 34. Breezy.
Veterans Day
Mostly sunny, with a high near 47. Breezy.
Tuesday Night
Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 53.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Fort Salonga NY
 40.92°N 73.3°W (Elev. 26 ft)
Last Update:
5:51 am EST Nov 6, 2025
Forecast Valid:
12pm EST Nov 6, 2025-6pm EST Nov 12, 2025
 
Forecast Discussion
 
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Additional Resources

Radar & Satellite Image

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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