NWS Forecast for: Portsmouth RI
Issued by: National Weather Service Norton, MA
Last Update: 10:05 pm EDT Sep 22, 2019
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  • Overnight

    Overnight: Patchy dense fog.  Otherwise, mostly cloudy, with a low around 67. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Patchy Dense
    Fog


    Low: 67 °F

  • Monday

    Monday: A slight chance of showers between 2pm and 5pm.  Patchy fog before 10am.  Otherwise, partly sunny, with a high near 76. Southwest wind 11 to 18 mph, with gusts as high as 28 mph.  Chance of precipitation is 20%.

    Patchy Fog
    then Slight
    Chance
    Showers

    High: 76 °F

  • Monday
    Night

    Monday Night: A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am.  Patchy fog after midnight.  Otherwise, cloudy, with a low around 66. Southwest wind 8 to 13 mph.  Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Showers
    Likely and
    Patchy Fog

    Low: 66 °F

  • Tuesday

    Tuesday: A chance of showers, mainly before 9am.  Mostly cloudy, then gradually becoming sunny, with a high near 75. West wind 7 to 13 mph.  Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Chance
    Showers then
    Mostly Sunny

    High: 75 °F

  • Tuesday
    Night

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind 8 to 11 mph.

    Mostly Clear



    Low: 56 °F

  • Wednesday

    Wednesday: Sunny, with a high near 73. West wind around 9 mph.

    Sunny



    High: 73 °F

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 60. West wind 6 to 8 mph.

    Mostly Clear



    Low: 60 °F

  • Thursday

    Thursday: Patchy fog between 7am and 8am.  Otherwise, mostly sunny, with a high near 75. Southwest wind 8 to 14 mph.

    Patchy Fog
    then Mostly
    Sunny

    High: 75 °F

  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 58. Northwest wind 8 to 10 mph.

    Mostly Clear



    Low: 58 °F

  • Overnight: Patchy dense fog. Otherwise, mostly cloudy, with a low around 67. Southwest wind around 10 mph, with gusts as high as 20 mph.

    Monday: A slight chance of showers between 2pm and 5pm. Patchy fog before 10am. Otherwise, partly sunny, with a high near 76. Southwest wind 11 to 18 mph, with gusts as high as 28 mph. Chance of precipitation is 20%.

    Monday Night: A chance of showers before 10pm, then showers likely and possibly a thunderstorm between 10pm and 4am, then a chance of showers and thunderstorms after 4am. Patchy fog after midnight. Otherwise, cloudy, with a low around 66. Southwest wind 8 to 13 mph. Chance of precipitation is 70%. New rainfall amounts between a quarter and half of an inch possible.

    Tuesday: A chance of showers, mainly before 9am. Mostly cloudy, then gradually becoming sunny, with a high near 75. West wind 7 to 13 mph. Chance of precipitation is 30%. New precipitation amounts of less than a tenth of an inch possible.

    Tuesday Night: Mostly clear, with a low around 56. Northwest wind 8 to 11 mph.

    Wednesday: Sunny, with a high near 73. West wind around 9 mph.

    Wednesday Night: Mostly clear, with a low around 60. West wind 6 to 8 mph.

    Thursday: Patchy fog between 7am and 8am. Otherwise, mostly sunny, with a high near 75. Southwest wind 8 to 14 mph.

    Thursday Night: Mostly clear, with a low around 58. Northwest wind 8 to 10 mph.

    Friday: Sunny, with a high near 72. Northwest wind around 7 mph becoming west in the afternoon.

    Friday Night: Mostly clear, with a low around 58. West wind around 6 mph.

    Saturday: Mostly sunny, with a high near 73. Light west wind becoming southwest 5 to 9 mph in the morning.

    Saturday Night: Partly cloudy, with a low around 61. Southwest wind 8 to 10 mph.

    Sunday: Mostly sunny, with a high near 74. West wind around 8 mph becoming northeast in the afternoon.



    Portsmouth RI
     41.59°N 71.26°W (Elev. 203 ft)

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