NWS Forecast for: Portsmouth NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 3:05 pm EST Jan 31, 2023
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  • Tonight

    Tonight: Mostly cloudy, with a low around -13. North wind 10 to 15 km/h, with gusts as high as 35 km/h.

    Mostly Cloudy

    Low: -13 °C

  • Wednesday

    Wednesday: Mostly sunny, with a high near -2. North wind 5 to 10 km/h becoming west in the afternoon.

    Mostly Sunny

    High: -2 °C

  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around -9. West wind 10 to 15 km/h.

    Mostly Clear

    Low: -9 °C

  • Thursday

    Thursday: Partly sunny, with a high near 2. Southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Partly Sunny

    High: 2 °C

  • Thursday
    Night

    Thursday Night: Partly cloudy, with a low around -13. Southwest wind around 25 km/h, with gusts as high as 45 km/h.

    Partly Cloudy

    Low: -13 °C

  • Friday

    Friday: Mostly sunny, with a high near -7. Blustery.

    Mostly Sunny
    and Blustery

    High: -7 °C

  • Friday
    Night

    Friday Night: Partly cloudy, with a low around -24. Blustery.

    Partly Cloudy
    and Blustery

    Low: -24 °C

  • Saturday

    Saturday: Sunny and cold, with a high near -12.

    Cold

    High: -12 °C

  • Saturday
    Night

    Saturday Night: Mostly cloudy, with a low around -16.

    Mostly Cloudy

    Low: -16 °C



  • Tonight: Mostly cloudy, with a low around -13. North wind 10 to 15 km/h, with gusts as high as 35 km/h.

    Wednesday: Mostly sunny, with a high near -2. North wind 5 to 10 km/h becoming west in the afternoon.

    Wednesday Night: Mostly clear, with a low around -9. West wind 10 to 15 km/h.

    Thursday: Partly sunny, with a high near 2. Southwest wind 15 to 20 km/h, with gusts as high as 35 km/h.

    Thursday Night: Partly cloudy, with a low around -13. Southwest wind around 25 km/h, with gusts as high as 45 km/h.

    Friday: Mostly sunny, with a high near -7. Blustery.

    Friday Night: Partly cloudy, with a low around -24. Blustery.

    Saturday: Sunny and cold, with a high near -12.

    Saturday Night: Mostly cloudy, with a low around -16.

    Sunday: Cloudy, with a high near 4.

    Sunday Night: Mostly cloudy, with a low around -3.

    Monday: Mostly sunny, with a high near 4.

    Monday Night: Partly cloudy, with a low around -4.

    Tuesday: Partly sunny, with a high near 7.



    Portsmouth NH
     43.07°N 70.78°W (Elev. 10 m)

    Visit your local NWS office at: https://www.weather.gov/gyx/