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

57°F

14°C

Humidity 67%
Wind Speed S 17 G 26 mph
Barometer 29.81 in (1009.4 mb)
Dewpoint 46°F (8°C)
Visibility 10.00 mi
Last update 7 Nov 4:56 pm EST
Extended Forecast for

5 Miles SSE Blue Point NY

  • Tonight

    Tonight: A chance of showers and thunderstorms between 10pm and 1am, then showers after 1am. Low around 57. Breezy, with a south wind 13 to 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: 57 °F

    Chance
    Showers and
    Breezy then
    Showers

  • Saturday

    Saturday: A 40 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 62. West wind 9 to 14 mph.

    High: 62 °F

    Chance
    Showers then
    Sunny

  • Saturday Night

    Saturday Night: Partly cloudy, with a low around 52. Northwest wind 7 to 10 mph becoming east after midnight.

    Low: 52 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain, mainly after 1pm. High near 61. Breezy, with a southeast wind 14 to 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.

    High: 61 °F

    Breezy.
    Chance Rain
    then Rain

  • Sunday Night

    Sunday Night: Rain before 1am, then a chance of drizzle or light rain after 1am. Low around 52. Southeast wind 13 to 18 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 52 °F

    Rain

  • Monday

    Monday: A 30 percent chance of rain before 1pm. Mostly cloudy, with a temperature falling to around 49 by 5pm.

    High: 54 °F⇓

    Chance Rain

  • Monday Night

    Monday Night: Partly cloudy, with a low around 37. Breezy.

    Low: 37 °F

    Partly Cloudy
    and Breezy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 46. Windy.

    High: 46 °F

    Mostly Sunny
    and Windy

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 43. Windy.

    Low: 43 °F

    Partly Cloudy
    and Windy

Detailed Forecast

Tonight
A chance of showers and thunderstorms between 10pm and 1am, then showers after 1am. Low around 57. Breezy, with a south wind 13 to 20 mph. Chance of precipitation is 80%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.
Saturday
A 40 percent chance of showers before 10am. Cloudy through mid morning, then gradual clearing, with a high near 62. West wind 9 to 14 mph.
Saturday Night
Partly cloudy, with a low around 52. Northwest wind 7 to 10 mph becoming east after midnight.
Sunday
Rain, mainly after 1pm. High near 61. Breezy, with a southeast wind 14 to 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Sunday Night
Rain before 1am, then a chance of drizzle or light rain after 1am. Low around 52. Southeast wind 13 to 18 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 30 percent chance of rain before 1pm. Mostly cloudy, with a temperature falling to around 49 by 5pm.
Monday Night
Partly cloudy, with a low around 37. Breezy.
Veterans Day
Mostly sunny, with a high near 46. Windy.
Tuesday Night
Partly cloudy, with a low around 43. Windy.
Wednesday
Partly sunny, with a high near 54. Windy.
Wednesday Night
Partly cloudy, with a low around 47. Windy.
Thursday
Mostly sunny, with a high near 51. Breezy.
Thursday Night
Mostly clear, with a low around 43. Breezy.
Friday
Mostly sunny, with a high near 49. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
5 Miles SSE Blue Point NY
 40.68°N 72.99°W (Elev. 0 ft)
Last Update:
12:46 pm EST Nov 7, 2025
Forecast Valid:
5pm EST Nov 7, 2025-6pm EST Nov 14, 2025
 
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Additional Resources

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Hourly Weather Forecast

National Digital Forecast Database

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High Temperature

National Digital Forecast Database Weather Element Forecast

Chance of Precipitation