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.

Partly Cloudy

49°F

9°C

Humidity 39%
Wind Speed SE 16 G 23 mph
Barometer 30.10 in (1019.3 mb)
Dewpoint 25°F (-4°C)
Visibility 10.00 mi
Wind Chill43°F (6°C)
Last update 13 Mar 12:56 pm EDT
Extended Forecast for

Blue Point NY

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 45. East wind around 17 mph.

    High: 45 °F

    Mostly Cloudy

  • Tonight

    Tonight: Mostly cloudy, with a low around 36. Northeast wind 6 to 11 mph.

    Low: 36 °F

    Mostly Cloudy

  • Friday

    Friday: Partly sunny, with a high near 50. Northeast wind around 6 mph.

    High: 50 °F

    Partly Sunny

  • Friday Night

    Friday Night: A chance of drizzle after 2am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 39. Calm wind.

    Low: 39 °F

    Mostly Cloudy
    then Chance
    Drizzle and
    Patchy Fog

  • Saturday

    Saturday: A chance of drizzle before 11am, then a slight chance of showers after 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 52. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.

    High: 52 °F

    Chance
    Drizzle and
    Patchy Fog

  • Saturday Night

    Saturday Night: A 30 percent chance of showers after 2am. Cloudy, with a low around 45.

    Low: 45 °F

    Cloudy then
    Chance
    Showers

  • Sunday

    Sunday: Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 60%.

    High: 57 °F

    Breezy.
    Chance
    Showers then
    Showers
    Likely

  • Sunday Night

    Sunday Night: Showers. Low around 45. Breezy. Chance of precipitation is 90%.

    Low: 45 °F

    Showers and
    Breezy

  • Monday

    Monday: Showers likely before 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.

    High: 54 °F

    Showers
    Likely

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 45. East wind around 17 mph.
Tonight
Mostly cloudy, with a low around 36. Northeast wind 6 to 11 mph.
Friday
Partly sunny, with a high near 50. Northeast wind around 6 mph.
Friday Night
A chance of drizzle after 2am. Patchy fog after 2am. Otherwise, increasing clouds, with a low around 39. Calm wind.
Saturday
A chance of drizzle before 11am, then a slight chance of showers after 2pm. Patchy fog before 11am. Otherwise, cloudy, with a high near 52. Calm wind becoming southeast 5 to 8 mph in the afternoon. Chance of precipitation is 20%.
Saturday Night
A 30 percent chance of showers after 2am. Cloudy, with a low around 45.
Sunday
Showers likely, mainly after 2pm. Mostly cloudy, with a high near 57. Breezy. Chance of precipitation is 60%.
Sunday Night
Showers. Low around 45. Breezy. Chance of precipitation is 90%.
Monday
Showers likely before 2pm. Mostly cloudy, with a high near 54. Chance of precipitation is 60%.
Monday Night
Partly cloudy, with a low around 36.
Tuesday
Sunny, with a high near 52.
Tuesday Night
Mostly clear, with a low around 41.
Wednesday
Mostly sunny, with a high near 56.
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ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
9:37 am EDT Mar 13, 2025
Forecast Valid:
1pm EDT Mar 13, 2025-6pm EDT Mar 19, 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