NWS Forecast for: Port Jefferson Station NY
Issued by: National Weather Service New York, NY
Last Update: 3:15 pm EST Jan 17, 2019
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  • Tonight

    Tonight: Snow, mainly after 10pm.  Low around 25. Wind chill values between 15 and 20. Southeast wind around 7 mph.  Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Chance Snow
    then Snow


    Low: 25 °F

  • Friday

    Friday: Snow likely before 10am, then a chance of rain between 10am and 3pm.  Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Southeast wind 5 to 7 mph becoming west in the afternoon.  Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Rain/Snow
    Likely then
    Slight Chance
    Light Rain

    High: 41 °F

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around 28. Wind chill values between 20 and 25. West wind around 9 mph becoming north after midnight.

    Partly Cloudy



    Low: 28 °F

  • Saturday

    Saturday: A 40 percent chance of snow after 4pm.  Mostly sunny, with a high near 34. Wind chill values between 20 and 25. North wind 8 to 10 mph becoming east in the afternoon.

    Mostly Sunny
    then Chance
    Snow

    High: 34 °F

  • Saturday
    Night

    Saturday Night: Snow and sleet before 1am, then rain and sleet between 1am and 4am, then rain after 4am.  Temperature rising to around 35 by 4am. East wind 13 to 17 mph, with gusts as high as 30 mph.  Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Wintry Mix



    Low: 31 °F

  • Sunday

    Sunday: Rain before 4pm, then a chance of snow.  Temperature rising to near 38 by 10am, then falling to around 29 during the remainder of the day. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Rain then
    Rain/Snow


    High: 38 °F

  • Sunday
    Night

    Sunday Night: A 30 percent chance of snow before 7pm.  Mostly cloudy, with a low around 10. Blustery.

    Blustery.
    Chance Snow
    then Mostly
    Cloudy

    Low: 10 °F

  • M.L.King
    Day

    M.L.King Day: Mostly sunny and cold, with a high near 16. Blustery.

    Cold and
    Blustery


    High: 16 °F

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 10. Blustery.

    Partly Cloudy
    and Blustery
    then Mostly
    Clear

    Low: 10 °F



  • Tonight: Snow, mainly after 10pm. Low around 25. Wind chill values between 15 and 20. Southeast wind around 7 mph. Chance of precipitation is 90%. Total nighttime snow accumulation of less than one inch possible.

    Friday: Snow likely before 10am, then a chance of rain between 10am and 3pm. Mostly cloudy, with a high near 41. Wind chill values between 25 and 35. Southeast wind 5 to 7 mph becoming west in the afternoon. Chance of precipitation is 60%. New snow accumulation of less than a half inch possible.

    Friday Night: Partly cloudy, with a low around 28. Wind chill values between 20 and 25. West wind around 9 mph becoming north after midnight.

    Saturday: A 40 percent chance of snow after 4pm. Mostly sunny, with a high near 34. Wind chill values between 20 and 25. North wind 8 to 10 mph becoming east in the afternoon.

    Saturday Night: Snow and sleet before 1am, then rain and sleet between 1am and 4am, then rain after 4am. Temperature rising to around 35 by 4am. East wind 13 to 17 mph, with gusts as high as 30 mph. Chance of precipitation is 100%. New snow and sleet accumulation of 2 to 4 inches possible.

    Sunday: Rain before 4pm, then a chance of snow. Temperature rising to near 38 by 10am, then falling to around 29 during the remainder of the day. Chance of precipitation is 100%. New snow accumulation of less than a half inch possible.

    Sunday Night: A 30 percent chance of snow before 7pm. Mostly cloudy, with a low around 10. Blustery.

    M.L.King Day: Mostly sunny and cold, with a high near 16. Blustery.

    Monday Night: Mostly clear, with a low around 10. Blustery.

    Tuesday: Mostly sunny, with a high near 30.

    Tuesday Night: Mostly cloudy, with a low around 26.

    Wednesday: A 30 percent chance of rain. Mostly cloudy, with a high near 43.

    Wednesday Night: A 30 percent chance of rain. Mostly cloudy, with a low around 31.

    Thursday: A 30 percent chance of rain. Partly sunny, with a high near 39.



    Port Jefferson Station NY
     40.93°N 73.06°W (Elev. 161 ft)

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