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.

A Few Clouds

65°F

18°C

Humidity 52%
Wind Speed NW 12 mph
Barometer 29.74 in (1007.0 mb)
Dewpoint 47°F (8°C)
Visibility 10.00 mi
Last update 8 Nov 10:56 am EST
Extended Forecast for

Hauppauge NY

  • Today

    Today: Sunny, with a high near 66. Northwest wind 8 to 11 mph.

    High: 66 °F

    Sunny

  • Tonight

    Tonight: Partly cloudy, with a low around 45. Light and variable wind becoming east around 6 mph after midnight.

    Low: 45 °F

    Partly Cloudy

  • Sunday

    Sunday: Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Southeast wind 7 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    High: 61 °F

    Chance Rain
    then Rain
    Likely

  • Sunday Night

    Sunday Night: Rain, mainly before midnight. Low around 47. East wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 47 °F

    Rain then
    Chance Rain

  • Monday

    Monday: A 20 percent chance of showers before noon. Partly sunny, with a high near 56. West wind 6 to 10 mph.

    High: 56 °F

    Slight Chance
    Showers then
    Mostly Sunny

  • Monday Night

    Monday Night: Partly cloudy, with a low around 29.

    Low: 29 °F

    Partly Cloudy

  • Veterans Day

    Veterans Day: Mostly sunny, with a high near 45.

    High: 45 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Partly cloudy, with a low around 35.

    Low: 35 °F

    Partly Cloudy

  • Wednesday

    Wednesday: Partly sunny, with a high near 52.

    High: 52 °F

    Partly Sunny

Detailed Forecast

Today
Sunny, with a high near 66. Northwest wind 8 to 11 mph.
Tonight
Partly cloudy, with a low around 45. Light and variable wind becoming east around 6 mph after midnight.
Sunday
Rain likely, mainly after 1pm. Mostly cloudy, with a high near 61. Southeast wind 7 to 13 mph. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Sunday Night
Rain, mainly before midnight. Low around 47. East wind 5 to 8 mph becoming west after midnight. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Monday
A 20 percent chance of showers before noon. Partly sunny, with a high near 56. West wind 6 to 10 mph.
Monday Night
Partly cloudy, with a low around 29.
Veterans Day
Mostly sunny, with a high near 45.
Tuesday Night
Partly cloudy, with a low around 35.
Wednesday
Partly sunny, with a high near 52.
Wednesday Night
Partly cloudy, with a low around 39.
Thursday
Mostly sunny, with a high near 51.
Thursday Night
Mostly clear, with a low around 36.
Friday
Mostly sunny, with a high near 49.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
Hauppauge NY
 40.82°N 73.2°W (Elev. 197 ft)
Last Update:
10:14 am EST Nov 8, 2025
Forecast Valid:
11am EST Nov 8, 2025-6pm EST Nov 14, 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