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Series of storm systems to bring additional heavy rain, flooding, and mountain snow to California

A series of storm systems will bring a continued threat for heavy rainfall, flooding, very heavy mountain snowfall, and strong winds to California into Tuesday. The threat for flooding, mudslides, and dangerous travel is expected to continue. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

41°F

5°C

Humidity 76%
Wind Speed Calm
Barometer 29.74 in (1007.1 mb)
Dewpoint 34°F (1°C)
Visibility 10.00 mi
Last update 19 Feb 6:56 am EST
Extended Forecast for

Port Jefferson NY

  • Today

    Today: Mostly sunny, with a high near 59. West wind 5 to 11 mph.

    Mostly Sunny

    High: 59 °F

  • Tonight

    Tonight: Mostly clear, with a low around 35. Northwest wind around 10 mph.

    Mostly Clear

    Low: 35 °F

  • Washington's
    Birthday

    Washington's Birthday: Sunny, with a high near 43. Wind chill values between 25 and 35. Northwest wind 11 to 15 mph.

    Sunny

    High: 43 °F

  • Monday
    Night

    Monday Night: Clear, with a low around 26. Northeast wind 6 to 14 mph.

    Clear

    Low: 26 °F

  • Tuesday

    Tuesday: Mostly sunny, with a high near 43. Light and variable wind.

    Mostly Sunny

    High: 43 °F

  • Tuesday
    Night

    Tuesday Night: A 50 percent chance of rain after 8pm.  Mostly cloudy, with a low around 38.

    Chance Rain

    Low: 38 °F

  • Wednesday

    Wednesday: Partly sunny, with a high near 53.

    Partly Sunny

    High: 53 °F

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 40.

    Partly Cloudy

    Low: 40 °F

  • Thursday

    Thursday: Mostly sunny, with a high near 57.

    Mostly Sunny

    High: 57 °F

Detailed Forecast

Today
Mostly sunny, with a high near 59. West wind 5 to 11 mph.
Tonight
Mostly clear, with a low around 35. Northwest wind around 10 mph.
Washington's Birthday
Sunny, with a high near 43. Wind chill values between 25 and 35. Northwest wind 11 to 15 mph.
Monday Night
Clear, with a low around 26. Northeast wind 6 to 14 mph.
Tuesday
Mostly sunny, with a high near 43. Light and variable wind.
Tuesday Night
A 50 percent chance of rain after 8pm. Mostly cloudy, with a low around 38.
Wednesday
Partly sunny, with a high near 53.
Wednesday Night
Partly cloudy, with a low around 40.
Thursday
Mostly sunny, with a high near 57.
Thursday Night
Mostly cloudy, with a low around 40.
Friday
A 30 percent chance of showers. Partly sunny, with a high near 52.
Friday Night
A 40 percent chance of rain. Mostly cloudy, with a low around 42.
Saturday
A 50 percent chance of rain. Mostly cloudy, with a high near 51.
Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.95°N 73.05°W (Elev. 151 ft)
5:32 am EST Feb 19, 2017
7am EST Feb 19, 2017-6pm EST Feb 25, 2017
 
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Additional Resources

Radar & Satellite Image

Northeast Radar Mosaic Link to Satellite Data

Hourly Weather Forecast

National Digital Forecast Database