Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Light Drizzle Fog/Mist
43°F
6°C
| Humidity | 93% |
| Wind Speed | N 18 G 26 mph |
| Barometer | 29.50 in (999.1 mb) |
| Dewpoint | 41°F (5°C) |
| Visibility | 5.00 mi |
| Wind Chill | 35°F (2°C) |
| Last update | 13 Nov 7:56 am EST |
Extended Forecast for
Nissequogue NY
Today

High: 45 °F
Rain and
BreezyTonight
Low: 37 °F
Chance Rain
then Mostly
CloudySaturday

High: 49 °F
Mostly Sunny
Saturday Night

Low: 36 °F
Partly Cloudy
Sunday

High: 51 °F
Mostly Sunny
Sunday Night

Low: 37 °F
Mostly Clear
Monday

High: 52 °F
Sunny
Monday Night

Low: 37 °F
Mostly Clear
Tuesday

High: 54 °F
Sunny
Detailed Forecast
Today
Rain, mainly before 4pm. Steady temperature around 45. Breezy, with a north wind 13 to 20 mph. Chance of precipitation is 80%. New precipitation amounts of less than a tenth of an inch possible.
Tonight
A 30 percent chance of rain, mainly before 7pm. Mostly cloudy, with a low around 37. North wind around 11 mph.
Saturday
Mostly sunny, with a high near 49. Northwest wind 10 to 14 mph.
Saturday Night
Partly cloudy, with a low around 36. Northwest wind around 11 mph.
Sunday
Mostly sunny, with a high near 51. Northwest wind 11 to 14 mph.
Sunday Night
Mostly clear, with a low around 37.
Monday
Sunny, with a high near 52.
Monday Night
Mostly clear, with a low around 37.
Tuesday
Sunny, with a high near 54.
Tuesday Night
Mostly clear, with a low around 38.
Wednesday
Sunny, with a high near 57.
Wednesday Night
Mostly clear, with a low around 40.
Thursday
Sunny, with a high near 59.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
Nissequogue NY
40.91°N 73.21°W (Elev. 0 ft)
40.91°N 73.21°W (Elev. 0 ft)
5:44 am EST Nov 13, 2026
8am EST Nov 13, 2026-6pm EST Nov 19, 2026


