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 and Breezy

56°F

13°C

Humidity 28%
Wind Speed W 24 G 32 mph
Barometer 29.82 in (1009.8 mb)
Dewpoint 23°F (-5°C)
Visibility 10.00 mi
Last update 3 May 2:56 pm EDT
Extended Forecast for

Blue Point NY

  • Tonight

    Tonight: Partly cloudy, with a low around 44. Southwest wind 6 to 14 mph.

    Low: 44 °F

    Partly Cloudy

  • Monday

    Monday: Sunny, with a high near 64. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.

    High: 64 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 52. Southwest wind 11 to 15 mph.

    Low: 52 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 66. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon.

    High: 66 °F

    Sunny then
    Sunny and
    Breezy

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 54. Breezy, with a south wind 20 to 23 mph.

    Low: 54 °F

    Mostly Cloudy
    and Breezy

  • Wednesday

    Wednesday: Showers, mainly after 2pm. High near 61. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 61 °F

    Chance
    Showers then
    Showers

  • Wednesday Night

    Wednesday Night: Showers. Low around 47. Chance of precipitation is 80%.

    Low: 47 °F

    Showers

  • Thursday

    Thursday: Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.

    High: 58 °F

    Showers
    Likely

  • Thursday Night

    Thursday Night: A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.

    Low: 43 °F

    Chance
    Showers

Detailed Forecast

Tonight
Partly cloudy, with a low around 44. Southwest wind 6 to 14 mph.
Monday
Sunny, with a high near 64. Southwest wind 15 to 18 mph, with gusts as high as 29 mph.
Monday Night
Mostly clear, with a low around 52. Southwest wind 11 to 15 mph.
Tuesday
Sunny, with a high near 66. Breezy, with a south wind 11 to 16 mph increasing to 17 to 22 mph in the afternoon.
Tuesday Night
Mostly cloudy, with a low around 54. Breezy, with a south wind 20 to 23 mph.
Wednesday
Showers, mainly after 2pm. High near 61. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Wednesday Night
Showers. Low around 47. Chance of precipitation is 80%.
Thursday
Showers likely. Mostly cloudy, with a high near 58. Chance of precipitation is 70%.
Thursday Night
A 30 percent chance of showers before 2am. Mostly cloudy, with a low around 43.
Friday
Sunny, with a high near 61.
Friday Night
Partly cloudy, with a low around 47.
Saturday
A 30 percent chance of showers. Partly sunny, with a high near 59.
Saturday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 47.
Sunday
Mostly sunny, with a high near 63.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Blue Point NY
 40.75°N 73.04°W (Elev. 30 ft)
Last Update:
2:34 pm EDT May 3, 2026
Forecast Valid:
3pm EDT May 3, 2026-6pm EDT May 10, 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