Hazardous Weather Conditions
Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
44°F
7°C
| Humidity | 76% |
| Wind Speed | N 17 mph |
| Barometer | 29.94 in (1013.8 mb) |
| Dewpoint | 37°F (3°C) |
| Visibility | 10.00 mi |
| Wind Chill | 36°F (2°C) |
| Last update | 19 Apr 5:56 pm EDT |
Extended Forecast for
Patchogue NY
Frost Advisory April 20, 12:00am until April 20, 08:00am
Freeze Warning April 21, 12:00am until April 21, 09:00am
Tonight
Low: 36 °F
Decreasing
Clouds then
Areas FrostMonday
High: 51 °F
Chance
ShowersMonday Night
Low: 31 °F
Partly Cloudy
Tuesday
High: 51 °F
Sunny
Tuesday Night
Low: 40 °F
Partly Cloudy
then Slight
Chance
ShowersWednesday
High: 55 °F
Decreasing
CloudsWednesday Night
Low: 43 °F
Partly Cloudy
Thursday
High: 62 °F
Mostly Sunny
Thursday Night
Low: 45 °F
Partly Cloudy
Detailed Forecast
Tonight
Areas of frost after 5am. Otherwise, mostly cloudy during the early evening, then gradual clearing, with a low around 36. Northwest wind 11 to 16 mph becoming light west after midnight. Winds could gust as high as 26 mph.
Monday
A 40 percent chance of showers, mainly before 4pm. Areas of frost before 8am. Otherwise, partly sunny, with a high near 51. Light and variable wind becoming northwest 5 to 9 mph in the morning.
Monday Night
Partly cloudy, with a low around 31. Wind chill values between 25 and 30. North wind 7 to 9 mph.
Tuesday
Sunny, with a high near 51. North wind 5 to 7 mph becoming southwest in the afternoon.
Tuesday Night
A 20 percent chance of showers after 2am. Mostly cloudy, with a low around 40. South wind 6 to 8 mph.
Wednesday
Cloudy, then gradually becoming mostly sunny, with a high near 55.
Wednesday Night
Partly cloudy, with a low around 43.
Thursday
Mostly sunny, with a high near 62.
Thursday Night
Partly cloudy, with a low around 45.
Friday
Mostly sunny, with a high near 60.
Friday Night
A 30 percent chance of showers. Partly cloudy, with a low around 44.
Saturday
A 40 percent chance of showers. Partly sunny, with a high near 57.
Saturday Night
A 50 percent chance of showers. Mostly cloudy, with a low around 44.
Sunday
A 40 percent chance of showers. Mostly cloudy, with a high near 56.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Patchogue NY
40.77°N 73°W (Elev. 43 ft)
40.77°N 73°W (Elev. 43 ft)
2:18 pm EDT Apr 19, 2026
6pm EDT Apr 19, 2026-6pm EDT Apr 26, 2026
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