Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
70°F
21°C
| Humidity | 64% |
| Wind Speed | SW 5 mph |
| Barometer | 30.19 in (1022.3 mb) |
| Dewpoint | 57°F (14°C) |
| Visibility | 10.00 mi |
| Last update | 2 Aug 8:56 pm EDT |
Extended Forecast for
Port Jefferson Station NY
Tonight
Low: 63 °F
Mostly Clear
Sunday
High: 83 °F
Sunny
Sunday Night
Low: 64 °F
Mostly Clear
Monday
High: 87 °F
Sunny
Monday Night
Low: 68 °F
Mostly Clear
Tuesday
High: 85 °F
Mostly Sunny
Tuesday Night
Low: 68 °F
Mostly Cloudy
Wednesday
High: 84 °F
Partly Sunny
Wednesday Night
Low: 68 °F
Mostly Cloudy
Detailed Forecast
Tonight
Mostly clear, with a low around 63. Light southeast wind.
Sunday
Sunny, with a high near 83. Light and variable wind becoming northeast around 5 mph in the morning.
Sunday Night
Mostly clear, with a low around 64. South wind around 6 mph becoming calm in the evening.
Monday
Sunny, with a high near 87. Calm wind becoming northeast around 5 mph in the afternoon.
Monday Night
Mostly clear, with a low around 68. South wind around 6 mph becoming calm in the evening.
Tuesday
Mostly sunny, with a high near 85.
Tuesday Night
Mostly cloudy, with a low around 68.
Wednesday
Partly sunny, with a high near 84.
Wednesday Night
Mostly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 82.
Thursday Night
Partly cloudy, with a low around 67.
Friday
Mostly sunny, with a high near 83.
Friday Night
Partly cloudy, with a low around 68.
Saturday
Sunny, with a high near 85.
Additional Forecasts and Information
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Forecast AreaABOUT THIS FORECAST
Point Forecast:
Port Jefferson Station NY
40.93°N 73.06°W (Elev. 161 ft)
40.93°N 73.06°W (Elev. 161 ft)
2:10 pm EDT Aug 2, 2025
9pm EDT Aug 2, 2025-6pm EDT Aug 9, 2025
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