Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Mostly Cloudy

77°F

25°C

Humidity 74%
Wind Speed SW 9 mph
Barometer 29.87 in (1011.4 mb)
Dewpoint 68°F (20°C)
Visibility 10.00 mi
Heat Index79°F (26°C)
Last update 14 Jun 1:56 pm EDT
Extended Forecast for

Port Jefferson NY

  • This Afternoon

    This Afternoon: Showers likely, mainly after 4pm.  Mostly sunny, with a high near 81. South wind around 11 mph.  Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.

    High: 81 °F

    Showers
    Likely

  • Tonight

    Tonight: Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am.  Low around 62. Southwest wind 6 to 9 mph becoming north in the evening.  Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.

    Low: 62 °F

    Showers then
    Showers
    Likely

  • Saturday

    Saturday: Sunny, with a high near 79. North wind around 10 mph.

    High: 79 °F

    Sunny

  • Saturday Night

    Saturday Night: Mostly clear, with a low around 58. North wind 7 to 9 mph.

    Low: 58 °F

    Mostly Clear

  • Sunday

    Sunday: Sunny, with a high near 76. Northeast wind 5 to 8 mph becoming light and variable  in the afternoon.

    High: 76 °F

    Sunny

  • Sunday Night

    Sunday Night: Partly cloudy, with a low around 60.

    Low: 60 °F

    Partly Cloudy

  • Monday

    Monday: Mostly sunny, with a high near 80.

    High: 80 °F

    Mostly Sunny

  • Monday Night

    Monday Night: Mostly clear, with a low around 66.

    Low: 66 °F

    Mostly Clear

  • Tuesday

    Tuesday: Sunny, with a high near 86.

    High: 86 °F

    Sunny

Detailed Forecast

This Afternoon
Showers likely, mainly after 4pm. Mostly sunny, with a high near 81. South wind around 11 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch possible.
Tonight
Showers and possibly a thunderstorm, mainly before 2am, then a chance of showers and thunderstorms after 2am. Low around 62. Southwest wind 6 to 9 mph becoming north in the evening. Chance of precipitation is 90%. New rainfall amounts between a quarter and half of an inch possible.
Saturday
Sunny, with a high near 79. North wind around 10 mph.
Saturday Night
Mostly clear, with a low around 58. North wind 7 to 9 mph.
Sunday
Sunny, with a high near 76. Northeast wind 5 to 8 mph becoming light and variable in the afternoon.
Sunday Night
Partly cloudy, with a low around 60.
Monday
Mostly sunny, with a high near 80.
Monday Night
Mostly clear, with a low around 66.
Tuesday
Sunny, with a high near 86.
Tuesday Night
Mostly clear, with a low around 68.
Juneteenth
Sunny, with a high near 87.
Wednesday Night
Partly cloudy, with a low around 68.
Thursday
Mostly sunny, with a high near 89.
Thursday Night
Partly cloudy, with a low around 69.
Friday
Mostly sunny, with a high near 90.
Click Map For Forecast

ABOUT THIS FORECAST

 
Point Forecast:
Port Jefferson NY
 40.93°N 73.06°W (Elev. 161 ft)
3:23 pm EDT Jun 14, 2024
3pm EDT Jun 14, 2024-6pm EDT Jun 21, 2024
 
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Additional Resources

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