Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
A Few Clouds
29°F
-2°C
| Humidity | 58% |
| Wind Speed | N 9 mph |
| Barometer | 30.55 in (1034.5 mb) |
| Dewpoint | 16°F (-9°C) |
| Visibility | 10.00 mi |
| Wind Chill | 21°F (-6°C) |
| Last update | 8 Apr 5:56 am EDT |
Extended Forecast for
2 Miles NNW Stony Brook NY
Today

High: 47 °F
Sunny
Tonight

Low: 34 °F
Clear then
Patchy FrostThursday

High: 53 °F
Patchy Frost
then SunnyThursday Night

Low: 38 °F
Mostly Clear
then Patchy
FrostFriday

High: 59 °F
Sunny
Friday Night

Low: 46 °F
Mostly Cloudy
Saturday

High: 60 °F
Becoming
SunnySaturday Night

Low: 41 °F
Clear
Sunday

High: 57 °F
Sunny
Detailed Forecast
Today
Sunny, with a high near 47. Wind chill values between 25 and 35 early. North wind 8 to 13 mph becoming southeast in the afternoon.
Tonight
Patchy frost after 3am. Otherwise, mostly clear, with a low around 34. South wind 3 to 8 mph.
Thursday
Patchy frost before 8am. Otherwise, sunny, with a high near 53. Southeast wind 5 to 8 mph.
Thursday Night
Patchy frost after 5am. Otherwise, mostly clear, with a low around 38. South wind 5 to 7 mph becoming calm after midnight.
Friday
Sunny, with a high near 59. Calm wind becoming south 5 to 8 mph in the morning.
Friday Night
Mostly cloudy, with a low around 46.
Saturday
Partly sunny, then gradually becoming sunny, with a high near 60.
Saturday Night
Clear, with a low around 41.
Sunday
Sunny, with a high near 57.
Sunday Night
Mostly cloudy, with a low around 47.
Monday
Mostly cloudy, with a high near 65.
Monday Night
Mostly cloudy, with a low around 55.
Tuesday
Partly sunny, with a high near 71.
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)
3:28 am EDT Apr 8, 2026
6am EDT Apr 8, 2026-6pm EDT Apr 14, 2026


