Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Fair

44°F

7°C

Humidity 51%
Wind Speed N 12 mph
Barometer 30.40 in (1029.4 mb)
Dewpoint 27°F (-3°C)
Visibility 10.00 mi
Wind Chill38°F (3°C)
Last update 12 Apr 1:56 am EDT
Extended Forecast for

Patchogue NY

  • Overnight

    Overnight: Clear, with a low around 41. North wind around 8 mph.

    Low: 41 °F

    Clear

  • Sunday

    Sunday: Sunny, with a high near 54. Northeast wind 6 to 8 mph becoming south in the afternoon.

    High: 54 °F

    Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 43. South wind around 7 mph.

    Low: 43 °F

    Mostly Cloudy

  • Monday

    Monday: A 20 percent chance of showers after 2pm.  Mostly cloudy, with a high near 68. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.

    High: 68 °F

    Mostly Cloudy
    then Slight
    Chance
    Showers

  • Monday Night

    Monday Night: Mostly cloudy, with a low around 51. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.

    Low: 51 °F

    Mostly Cloudy

  • Tuesday

    Tuesday: Mostly sunny, with a high near 73.

    High: 73 °F

    Mostly Sunny

  • Tuesday Night

    Tuesday Night: Mostly cloudy, with a low around 55.

    Low: 55 °F

    Mostly Cloudy

  • Wednesday

    Wednesday: Mostly sunny, with a high near 79.

    High: 79 °F

    Mostly Sunny

  • Wednesday Night

    Wednesday Night: A chance of showers between 8pm and midnight.  Mostly cloudy, with a low around 56. Chance of precipitation is 30%.

    Low: 56 °F

    Chance
    Showers then
    Mostly Cloudy

Detailed Forecast

Overnight
Clear, with a low around 41. North wind around 8 mph.
Sunday
Sunny, with a high near 54. Northeast wind 6 to 8 mph becoming south in the afternoon.
Sunday Night
Mostly cloudy, with a low around 43. South wind around 7 mph.
Monday
A 20 percent chance of showers after 2pm. Mostly cloudy, with a high near 68. Southwest wind 11 to 15 mph, with gusts as high as 25 mph.
Monday Night
Mostly cloudy, with a low around 51. Southwest wind 6 to 9 mph, with gusts as high as 21 mph.
Tuesday
Mostly sunny, with a high near 73.
Tuesday Night
Mostly cloudy, with a low around 55.
Wednesday
Mostly sunny, with a high near 79.
Wednesday Night
A chance of showers between 8pm and midnight. Mostly cloudy, with a low around 56. Chance of precipitation is 30%.
Thursday
Partly sunny, with a high near 73.
Thursday Night
Mostly cloudy, with a low around 55.
Friday
Mostly sunny, with a high near 68.
Friday Night
Partly cloudy, with a low around 51.
Saturday
Mostly sunny, with a high near 64.
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ABOUT THIS FORECAST

 
Point Forecast:
Patchogue NY
 40.77°N 73°W (Elev. 43 ft)
2:46 am EDT Apr 12, 2026
2am EDT Apr 12, 2026-6pm EDT Apr 18, 2026
 
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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