Current conditions at
Islip, Long Island Mac Arthur Airport (KISP)
Lat: 40.79°NLon: 73.1°WElev: 98ft.
Fair
56°F
13°C
| Humidity | 70% |
| Wind Speed | N 3 mph |
| Barometer | 30.00 in (1015.8 mb) |
| Dewpoint | 46°F (8°C) |
| Visibility | 10.00 mi |
| Last update | 8 Oct 9:56 pm EDT |
Extended Forecast for
Port Jefferson Station NY
Tonight
Low: 52 °F
Clear
Friday
High: 69 °F
Sunny
Friday Night
Low: 51 °F
Mostly Clear
Saturday
High: 66 °F
Mostly Sunny
Saturday Night
Low: 56 °F
Mostly Cloudy
Sunday
High: 67 °F
Mostly Cloudy
then Chance
ShowersSunday Night
Low: 60 °F
Showers
Columbus Day
High: 69 °F
Chance
ShowersMonday Night
Low: 59 °F
Mostly Cloudy
Detailed Forecast
Tonight
Clear, with a low around 52. Northwest wind 3 to 5 mph.
Friday
Sunny, with a high near 69. West wind 6 to 15 mph, with gusts as high as 26 mph.
Friday Night
Mostly clear, with a low around 51. West wind 3 to 5 mph.
Saturday
Mostly sunny, with a high near 66. Light and variable wind becoming north around 5 mph.
Saturday Night
Mostly cloudy, with a low around 56. Light south wind.
Sunday
A 50 percent chance of showers after 2pm. Mostly cloudy, with a high near 67.
Sunday Night
Showers, mainly after 8pm. Low around 60. Chance of precipitation is 90%.
Columbus Day
A 50 percent chance of showers before 2pm. Mostly cloudy, with a high near 69.
Monday Night
Mostly cloudy, with a low around 59.
Tuesday
Mostly sunny, with a high near 69.
Tuesday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 54.
Wednesday
Mostly sunny, with a high near 62.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 60.
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)
7:47 pm EDT Oct 8, 2026
10pm EDT Oct 8, 2026-6pm EDT Oct 15, 2026
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