NWS Forecast for: Princeton NJ
Issued by: National Weather Service Philadelphia, PA
Last Update: 6:41 pm EDT Jul 18, 2019
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  • Tonight

    Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rain.  Patchy fog after 2am.  Otherwise, mostly cloudy, with a low around 71. Calm wind becoming northeast 5 to 7 mph in the evening.  Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Heavy Rain
    then Heavy
    Rain and
    Patchy Fog

    Low: 71 °F

  • Friday

    Friday: Patchy fog before 7am.  Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest 5 to 9 mph in the morning.

    Patchy Fog
    then Mostly
    Sunny

    High: 95 °F

  • Friday
    Night

    Friday Night: A slight chance of showers and thunderstorms before 2am.  Partly cloudy, with a low around 77. Southwest wind around 7 mph.  Chance of precipitation is 20%.

    Slight Chance
    T-storms


    Low: 77 °F

  • Saturday

    Saturday: Mostly sunny and hot, with a high near 98. Heat index values as high as 111. West wind 5 to 8 mph.

    Hot



    High: 98 °F

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 78. West wind around 6 mph.

    Partly Cloudy



    Low: 78 °F

  • Sunday

    Sunday: A chance of showers and thunderstorms, mainly after 2pm.  Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Chance
    T-storms


    High: 97 °F

  • Sunday
    Night

    Sunday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

    Chance
    T-storms


    Low: 74 °F

  • Monday

    Monday: A chance of showers and thunderstorms.  Partly sunny, with a high near 87. Chance of precipitation is 50%.

    Chance
    T-storms


    High: 87 °F

  • Monday
    Night

    Monday Night: A chance of showers and thunderstorms.  Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Chance
    T-storms


    Low: 67 °F



  • Tonight: Showers and thunderstorms likely, mainly before 1am. Some of the storms could produce heavy rain. Patchy fog after 2am. Otherwise, mostly cloudy, with a low around 71. Calm wind becoming northeast 5 to 7 mph in the evening. Chance of precipitation is 60%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Friday: Patchy fog before 7am. Otherwise, mostly sunny, with a high near 95. Heat index values as high as 105. Calm wind becoming southwest 5 to 9 mph in the morning.

    Friday Night: A slight chance of showers and thunderstorms before 2am. Partly cloudy, with a low around 77. Southwest wind around 7 mph. Chance of precipitation is 20%.

    Saturday: Mostly sunny and hot, with a high near 98. Heat index values as high as 111. West wind 5 to 8 mph.

    Saturday Night: Partly cloudy, with a low around 78. West wind around 6 mph.

    Sunday: A chance of showers and thunderstorms, mainly after 2pm. Mostly sunny and hot, with a high near 97. Chance of precipitation is 30%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Sunday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 74. Chance of precipitation is 50%.

    Monday: A chance of showers and thunderstorms. Partly sunny, with a high near 87. Chance of precipitation is 50%.

    Monday Night: A chance of showers and thunderstorms. Mostly cloudy, with a low around 67. Chance of precipitation is 30%.

    Tuesday: Mostly sunny, with a high near 83.

    Tuesday Night: Partly cloudy, with a low around 64.

    Wednesday: Mostly sunny, with a high near 84.

    Wednesday Night: Partly cloudy, with a low around 64.

    Thursday: Mostly sunny, with a high near 86.



    Princeton NJ
     40.35°N 74.67°W (Elev. 190 ft)

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