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.

Light Rain Fog/Mist

60°F

16°C

Humidity 96%
Wind Speed W 10 mph
Barometer 29.80 in (1009.0 mb)
Dewpoint 59°F (15°C)
Visibility 5.00 mi
Last update 7 Nov 1:56 am EST
Extended Forecast for

Village of the Branch NY

  • Overnight

    Overnight: A 40 percent chance of rain, mainly before 5am. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 56. Calm wind.

    Low: 56 °F

    Chance Rain
    and Patchy
    Fog

  • Saturday

    Saturday: Mostly sunny, with a high near 65. West wind 7 to 17 mph.

    High: 65 °F

    Mostly Sunny

  • Saturday Night

    Saturday Night: A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 43. Northwest wind around 16 mph. Chance of precipitation is 20%.

    Low: 43 °F

    Partly Cloudy
    then Slight
    Chance
    Showers

  • Sunday

    Sunday: Sunny, with a high near 62. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.

    High: 62 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly clear, with a low around 43. West wind 11 to 14 mph.

    Low: 43 °F

    Mostly Clear

  • Monday

    Monday: Sunny, with a high near 58.

    High: 58 °F

    Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 39.

    Low: 39 °F

    Mostly Clear

  • Tuesday

    Tuesday: Mostly sunny, with a high near 60.

    High: 60 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly clear, with a low around 42.

    Low: 42 °F

    Mostly Clear

Detailed Forecast

Overnight
A 40 percent chance of rain, mainly before 5am. Patchy fog before 4am. Otherwise, mostly cloudy, with a low around 56. Calm wind.
Saturday
Mostly sunny, with a high near 65. West wind 7 to 17 mph.
Saturday Night
A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 43. Northwest wind around 16 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 62. Northwest wind 14 to 18 mph, with gusts as high as 28 mph.
Sunday Night
Mostly clear, with a low around 43. West wind 11 to 14 mph.
Monday
Sunny, with a high near 58.
Monday Night
Mostly clear, with a low around 39.
Tuesday
Mostly sunny, with a high near 60.
Tuesday Night
Mostly clear, with a low around 42.
Veterans Day
Mostly sunny, with a high near 60.
Wednesday Night
Partly cloudy, with a low around 38.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 55.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 35.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 51.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
Village of the Branch NY
 40.86°N 73.19°W (Elev. 98 ft)
Last Update:
2:00 am EST Nov 7, 2026
Forecast Valid:
2am EST Nov 7, 2026-6pm EST Nov 13, 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