Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Mostly Cloudy
64°F
18°C
| Humidity | 68% |
| Wind Speed | NW 12 mph |
| Barometer | 29.72 in (1006.4 mb) |
| Dewpoint | 53°F (12°C) |
| Visibility | 10.00 mi |
| Last update | 7 Nov 12:56 pm EST |
Extended Forecast for
Port Jefferson Station NY
This Afternoon
High: 64 °F
Mostly Sunny
Tonight
Low: 45 °F
Partly Cloudy
then Slight
Chance
ShowersSunday
High: 62 °F
Sunny and
Breezy then
SunnySunday Night
Low: 45 °F
Mostly Clear
Monday
High: 57 °F
Mostly Sunny
Monday Night
Low: 41 °F
Mostly Clear
Tuesday
High: 59 °F
Mostly Sunny
Tuesday Night
Low: 45 °F
Mostly Clear
Veterans Day
High: 59 °F
Mostly Sunny
Detailed Forecast
This Afternoon
Mostly sunny, with a high near 64. West wind 14 to 18 mph.
Tonight
A slight chance of showers between 1am and 4am. Partly cloudy, with a low around 45. West wind 16 to 18 mph. Chance of precipitation is 20%.
Sunday
Sunny, with a high near 62. Breezy, with a west wind 14 to 20 mph.
Sunday Night
Mostly clear, with a low around 45. West wind 9 to 11 mph.
Monday
Mostly sunny, with a high near 57. West wind 13 to 17 mph, with gusts as high as 28 mph.
Monday Night
Mostly clear, with a low around 41.
Tuesday
Mostly sunny, with a high near 59.
Tuesday Night
Mostly clear, with a low around 45.
Veterans Day
Mostly sunny, with a high near 59.
Wednesday Night
Partly cloudy, with a low around 41.
Thursday
A 30 percent chance of rain. Mostly sunny, with a high near 55.
Thursday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 38.
Friday
A 40 percent chance of rain. Partly sunny, with a high near 51.
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)
11:02 am EST Nov 7, 2026
1pm EST Nov 7, 2026-6pm EST Nov 13, 2026
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