Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
33°F
1°C
| Humidity | 92% |
| Wind Speed | Calm |
| Barometer | 30.40 in (1029.3 mb) |
| Dewpoint | 31°F (-1°C) |
| Visibility | 10.00 mi |
| Last update | 10 Apr 3:56 am EDT |
Extended Forecast for
Islip, Long Island Mac Arthur Airport NY
Today
High: 61 °F
Patchy Fog
then SunnyTonight
Low: 44 °F
Partly Cloudy
then Slight
Chance
ShowersSaturday
High: 60 °F
Sunny
Saturday Night
Low: 40 °F
Mostly Clear
Sunday
High: 54 °F
Mostly Sunny
Sunday Night
Low: 44 °F
Mostly Cloudy
Monday
High: 64 °F
Mostly Cloudy
Monday Night
Low: 53 °F
Partly Cloudy
Tuesday
High: 70 °F
Mostly Sunny
Detailed Forecast
Today
Patchy fog before 8am. Otherwise, mostly sunny, with a high near 61. Light south wind increasing to 8 to 13 mph in the morning.
Tonight
A 20 percent chance of showers after midnight. Mostly cloudy, with a low around 44. South wind 9 to 14 mph.
Saturday
Sunny, with a high near 60. Northwest wind 8 to 13 mph, with gusts as high as 23 mph.
Saturday Night
Mostly clear, with a low around 40. Light north wind.
Sunday
Mostly sunny, with a high near 54. Calm wind becoming south 5 to 8 mph in the afternoon.
Sunday Night
Mostly cloudy, with a low around 44.
Monday
Mostly cloudy, with a high near 64.
Monday Night
Partly cloudy, with a low around 53.
Tuesday
Mostly sunny, with a high near 70.
Tuesday Night
Mostly cloudy, with a low around 52.
Wednesday
Partly sunny, with a high near 69.
Wednesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Thursday
Partly sunny, with a high near 70.
Additional Forecasts and Information
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Point Forecast:
Islip, Long Island Mac Arthur Airport NY
40.8°N 73.09°W (Elev. 98 ft)
40.8°N 73.09°W (Elev. 98 ft)
2:11 am EDT Apr 10, 2026
4am EDT Apr 10, 2026-6pm EDT Apr 16, 2026
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