National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce

Areas of Showers and Thunderstorms to Start the Work Week

Areas of rain and thunderstorms are forecast Monday across the central and eastern states. Some mixed rain and snow is possible in the high Sierra Mountains. Heavy to excessive rain may bring flooding in the central Appalachians. Read More >

Hazardous Weather Conditions

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

60°F

16°C

Humidity 93%
Wind Speed N 14 G 23 mph
Barometer 29.97 in (1014.8 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 21 Sep 5:56 am EDT
Extended Forecast for

East Patchogue NY

  • Today

    Today: A 20 percent chance of rain before 8am. Mostly cloudy, with a high near 70. Northeast wind 13 to 15 mph.

    High: 70 °F

    Slight Chance
    Rain then
    Partly Sunny

  • Tonight

    Tonight: Mostly cloudy, with a low around 57. Northeast wind 8 to 10 mph.

    Low: 57 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: A 30 percent chance of rain, mainly between 8am and 11am. Mostly cloudy, with a high near 66. Northeast wind 13 to 16 mph.

    High: 66 °F

    Chance Rain

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 53. Northeast wind 13 to 16 mph.

    Low: 53 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly cloudy, with a high near 66. Breezy, with a northeast wind around 21 mph, with gusts as high as 34 mph.

    High: 66 °F

    Mostly Cloudy
    and Breezy

  • Wednesday Night

    Wednesday Night: Mostly cloudy, with a low around 53.

    Low: 53 °F

    Mostly Cloudy

  • Thursday

    Thursday: Mostly cloudy, with a high near 66. Breezy.

    High: 66 °F

    Mostly Cloudy
    and Breezy

  • Thursday Night

    Thursday Night: A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53. Breezy.

    Low: 53 °F

    Breezy.
    Mostly Cloudy
    then Chance
    Showers

  • Friday

    Friday: A 50 percent chance of showers. Mostly cloudy, with a high near 64. Breezy.

    High: 64 °F

    Chance
    Showers and
    Breezy

Detailed Forecast

Today
A 20 percent chance of rain before 8am. Mostly cloudy, with a high near 70. Northeast wind 13 to 15 mph.
Tonight
Mostly cloudy, with a low around 57. Northeast wind 8 to 10 mph.
Tuesday
A 30 percent chance of rain, mainly between 8am and 11am. Mostly cloudy, with a high near 66. Northeast wind 13 to 16 mph.
Tuesday Night
Mostly cloudy, with a low around 53. Northeast wind 13 to 16 mph.
Wednesday
Mostly cloudy, with a high near 66. Breezy, with a northeast wind around 21 mph, with gusts as high as 34 mph.
Wednesday Night
Mostly cloudy, with a low around 53.
Thursday
Mostly cloudy, with a high near 66. Breezy.
Thursday Night
A 30 percent chance of showers after 2am. Mostly cloudy, with a low around 53. Breezy.
Friday
A 50 percent chance of showers. Mostly cloudy, with a high near 64. Breezy.
Friday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 54. Breezy.
Saturday
A 50 percent chance of showers. Mostly cloudy, with a high near 65. Breezy.
Saturday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 55.
Sunday
Partly sunny, with a high near 66. Breezy.
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Forecast Area
Tiles ©ESRI

ABOUT THIS FORECAST

 
Point Forecast:
East Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
Last Update:
3:38 am EDT Sep 21, 2026
Forecast Valid:
6am EDT Sep 21, 2026-6pm EDT Sep 27, 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