Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Overcast
42°F
6°C
| Humidity | 92% |
| Wind Speed | S 8 mph |
| Barometer | 30.38 in (1028.7 mb) |
| Dewpoint | 40°F (4°C) |
| Visibility | 10.00 mi |
| Wind Chill | 37°F (3°C) |
| Last update | 10 Apr 7:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today

High: 61 °F
Mostly Sunny
Tonight
Low: 45 °F
Partly Cloudy
then Slight
Chance
ShowersSaturday

High: 60 °F
Sunny
Saturday Night

Low: 42 °F
Mostly Clear
Sunday

High: 55 °F
Mostly Sunny
Sunday Night

Low: 46 °F
Mostly Cloudy
Monday

High: 67 °F
Mostly Cloudy
Monday Night

Low: 55 °F
Partly Cloudy
Tuesday

High: 72 °F
Mostly Sunny
Detailed Forecast
Today
Mostly sunny, with a high near 61. South wind 7 to 11 mph.
Tonight
A 20 percent chance of showers after midnight. Increasing clouds, with a low around 45. Southwest wind 9 to 14 mph.
Saturday
Sunny, with a high near 60. Northwest wind 10 to 14 mph.
Saturday Night
Mostly clear, with a low around 42. North wind around 6 mph.
Sunday
Mostly sunny, with a high near 55. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 46.
Monday
Mostly cloudy, with a high near 67.
Monday Night
Partly cloudy, with a low around 55.
Tuesday
Mostly sunny, with a high near 72.
Tuesday Night
Mostly cloudy, with a low around 54.
Wednesday
Partly sunny, with a high near 72.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 56.
Thursday
Partly sunny, with a high near 72.
Additional Forecasts and Information
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ABOUT THIS FORECAST
Point Forecast:
2 Miles NNW Stony Brook NY
40.92°N 73.15°W (Elev. 36 ft)
40.92°N 73.15°W (Elev. 36 ft)
6:31 am EDT Apr 10, 2026
8am EDT Apr 10, 2026-6pm EDT Apr 16, 2026


