Eastern and Western Storms

A strong cold front will sweep across the eastern U.S. with gusty winds, showers and thunderstorms, and lake effect snow. A slow moving western system will bring locally heavy rain that could cause flash flooding and heavy mountain snow. Heavy snow and blowing snow is expected across much of the northern 2/3rds of Alaska from two strong weather systems. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

53°F

12°C

Humidity 89%
Wind Speed S 9 mph
Barometer 30.25 in (1024.5 mb)
Dewpoint 50°F (10°C)
Visibility 10.00 mi
Wind Chill50°F (10°C)
Last update 3 Dec 4:56 am EST
Extended Forecast for

Port Jefferson NY

  • Today

    Today: Showers, mainly after 9am.  High near 58. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph.  Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.

    Showers and
    Breezy

    High: 58 °F

  • Tonight

    Tonight: Cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind 15 to 18 mph, with gusts as high as 32 mph.

    Gradual
    Clearing

    Low: 33 °F

  • Sunday

    Sunday: Sunny, with a high near 42. Northwest wind 7 to 11 mph.

    Sunny

    High: 42 °F

  • Sunday
    Night

    Sunday Night: Mostly clear, with a low around 31. West wind around 5 mph becoming calm  in the evening.

    Mostly Clear

    Low: 31 °F

  • Monday

    Monday: Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph.

    Mostly Sunny

    High: 50 °F

  • Monday
    Night

    Monday Night: Mostly cloudy, with a temperature rising to around 46 by 5am.

    Mostly Cloudy

    Low: 43 °F

  • Tuesday

    Tuesday: Showers.  High near 57. Chance of precipitation is 80%.

    Showers

    High: 57 °F

  • Tuesday
    Night

    Tuesday Night: Showers likely.  Cloudy, with a low around 46. Chance of precipitation is 70%.

    Showers
    Likely

    Low: 46 °F

  • Wednesday

    Wednesday: A 50 percent chance of showers.  Mostly cloudy, with a high near 56.

    Chance
    Showers

    High: 56 °F

Detailed Forecast

Today
Showers, mainly after 9am. High near 58. Breezy, with a south wind 13 to 23 mph, with gusts as high as 37 mph. Chance of precipitation is 90%. New precipitation amounts between a half and three quarters of an inch possible.
Tonight
Cloudy during the early evening, then gradual clearing, with a low around 33. Northwest wind 15 to 18 mph, with gusts as high as 32 mph.
Sunday
Sunny, with a high near 42. Northwest wind 7 to 11 mph.
Sunday Night
Mostly clear, with a low around 31. West wind around 5 mph becoming calm in the evening.
Monday
Mostly sunny, with a high near 50. Calm wind becoming southwest around 6 mph.
Monday Night
Mostly cloudy, with a temperature rising to around 46 by 5am.
Tuesday
Showers. High near 57. Chance of precipitation is 80%.
Tuesday Night
Showers likely. Cloudy, with a low around 46. Chance of precipitation is 70%.
Wednesday
A 50 percent chance of showers. Mostly cloudy, with a high near 56.
Wednesday Night
A 40 percent chance of showers before 1am. Mostly cloudy, with a low around 43.
Thursday
Partly sunny, with a high near 53.
Thursday Night
A 30 percent chance of showers. Mostly cloudy, with a low around 34.
Friday
Mostly sunny, with a high near 46.
Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.93°N 73.06°W (Elev. 161 ft)
3:41 am EST Dec 3, 2022
5am EST Dec 3, 2022-6pm EST Dec 9, 2022
 
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Additional Resources

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