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Heavy Rain, Local Flooding from Gulf Coast to Southern Mid-Atlantic

A slow moving front will provide the focus for locally heavy rain from the Gulf Coast and Southeast states to the southern Mid-Atlantic on Tuesday. Localized flash flooding will be possible with the heavier thunderstorms. Also, some of these thunderstorms could produce damaging wind gusts in parts of the Southeast on Tuesday. Read More >

Current conditions at

Islip, Long Island Mac Arthur Airport (KISP)

Lat: 40.79°NLon: 73.1°WElev: 98ft.

Overcast

57°F

14°C

Humidity 100%
Wind Speed N 9 mph
Barometer 29.93 in (1013.3 mb)
Dewpoint 57°F (14°C)
Visibility 10.00 mi
Last update 23 May 3:56 am EDT
Extended Forecast for

Port Jefferson NY

  • Overnight

    Overnight: A 20 percent chance of rain before 5am.  Areas of fog.  Otherwise, mostly cloudy, with a low around 56. Northwest wind around 10 mph.

    Slight Chance
    Rain and
    Areas Fog

    Low: 56 °F

  • Tuesday

    Tuesday: Patchy fog before 9am.  Otherwise, partly sunny, with a high near 72. North wind 8 to 13 mph becoming light northwest  in the afternoon.

    Patchy Fog
    then Partly
    Sunny

    High: 72 °F

  • Tuesday
    Night

    Tuesday Night: A 30 percent chance of rain, mainly after 7pm.  Patchy fog.  Otherwise, cloudy, with a low around 57. South wind around 6 mph becoming northeast after midnight.

    Chance Rain
    and Patchy
    Fog

    Low: 57 °F

  • Wednesday

    Wednesday: A 20 percent chance of rain before 11am.  Partly sunny, with a high near 69. Northeast wind around 8 mph.

    Slight Chance
    Rain then
    Partly Sunny

    High: 69 °F

  • Wednesday
    Night

    Wednesday Night: A 40 percent chance of showers after 1am.  Areas of fog after 1am.  Otherwise, increasing clouds, with a low around 57. Southeast wind around 10 mph.

    Mostly Cloudy
    then Chance
    Showers and
    Areas Fog

    Low: 57 °F

  • Thursday

    Thursday: Showers likely, mainly after 7am.  Areas of fog before 9am.  Otherwise, cloudy, with a high near 64. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Areas Fog

    High: 64 °F

  • Thursday
    Night

    Thursday Night: Showers likely.  Cloudy, with a low around 58. Chance of precipitation is 60%.

    Showers
    Likely

    Low: 58 °F

  • Friday

    Friday: A 40 percent chance of showers.  Mostly cloudy, with a high near 71.

    Chance
    Showers

    High: 71 °F

  • Friday
    Night

    Friday Night: Mostly cloudy, with a low around 59.

    Mostly Cloudy

    Low: 59 °F

Detailed Forecast

Overnight
A 20 percent chance of rain before 5am. Areas of fog. Otherwise, mostly cloudy, with a low around 56. Northwest wind around 10 mph.
Tuesday
Patchy fog before 9am. Otherwise, partly sunny, with a high near 72. North wind 8 to 13 mph becoming light northwest in the afternoon.
Tuesday Night
A 30 percent chance of rain, mainly after 7pm. Patchy fog. Otherwise, cloudy, with a low around 57. South wind around 6 mph becoming northeast after midnight.
Wednesday
A 20 percent chance of rain before 11am. Partly sunny, with a high near 69. Northeast wind around 8 mph.
Wednesday Night
A 40 percent chance of showers after 1am. Areas of fog after 1am. Otherwise, increasing clouds, with a low around 57. Southeast wind around 10 mph.
Thursday
Showers likely, mainly after 7am. Areas of fog before 9am. Otherwise, cloudy, with a high near 64. Chance of precipitation is 70%. New precipitation amounts between a quarter and half of an inch possible.
Thursday Night
Showers likely. Cloudy, with a low around 58. Chance of precipitation is 60%.
Friday
A 40 percent chance of showers. Mostly cloudy, with a high near 71.
Friday Night
Mostly cloudy, with a low around 59.
Saturday
Mostly sunny, with a high near 72.
Saturday Night
Partly cloudy, with a low around 58.
Sunday
A 30 percent chance of showers. Partly sunny, with a high near 70.
Sunday Night
A 40 percent chance of showers. Mostly cloudy, with a low around 58.
Memorial Day
A 30 percent chance of showers. Mostly cloudy, with a high near 71.
Click Map For Forecast
Point Forecast:
Port Jefferson NY
 40.95°N 73.05°W (Elev. 151 ft)
2:38 am EDT May 23, 2017
4am EDT May 23, 2017-6pm EDT May 29, 2017
 
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Additional Resources

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