NWS Forecast for: Portsmouth NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 3:24 pm EDT Jun 5, 2020
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  • This
    Afternoon

    This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce gusty winds.  Mostly cloudy, with a high near 26. South wind around 15 km/h.

    Chance
    Showers

    High: 26 °C

  • Tonight

    Tonight: A chance of showers before 8pm, then a chance of showers after 4am.  Mostly cloudy, with a low around 19. South wind 10 to 15 km/h.  Chance of precipitation is 30%.

    Chance
    Showers

    Low: 19 °C

  • Saturday

    Saturday: A chance of showers before 11am, then a chance of thunderstorms between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce small hail and gusty winds.  Mostly cloudy, with a high near 28. Southwest wind 10 to 20 km/h, with gusts as high as 35 km/h.  Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Chance
    T-storms

    High: 28 °C

  • Saturday
    Night

    Saturday Night: Partly cloudy, with a low around 13. Northwest wind 10 to 15 km/h, with gusts as high as 35 km/h.

    Partly Cloudy

    Low: 13 °C

  • Sunday

    Sunday: Mostly sunny, with a high near 20. North wind around 15 km/h.

    Mostly Sunny

    High: 20 °C

  • Sunday
    Night

    Sunday Night: Partly cloudy, with a low around 11.

    Partly Cloudy

    Low: 11 °C

  • Monday

    Monday: Sunny, with a high near 23.

    Sunny

    High: 23 °C

  • Monday
    Night

    Monday Night: Mostly clear, with a low around 11.

    Mostly Clear

    Low: 11 °C

  • Tuesday

    Tuesday: Sunny, with a high near 24.

    Sunny

    High: 24 °C



  • This Afternoon: A 30 percent chance of showers and thunderstorms, mainly after 5pm. Some of the storms could produce gusty winds. Mostly cloudy, with a high near 26. South wind around 15 km/h.

    Tonight: A chance of showers before 8pm, then a chance of showers after 4am. Mostly cloudy, with a low around 19. South wind 10 to 15 km/h. Chance of precipitation is 30%.

    Saturday: A chance of showers before 11am, then a chance of thunderstorms between 11am and noon, then a chance of showers and thunderstorms after noon. Some of the storms could produce small hail and gusty winds. Mostly cloudy, with a high near 28. Southwest wind 10 to 20 km/h, with gusts as high as 35 km/h. Chance of precipitation is 50%. New rainfall amounts between 1 and 2.5 mm, except higher amounts possible in thunderstorms.

    Saturday Night: Partly cloudy, with a low around 13. Northwest wind 10 to 15 km/h, with gusts as high as 35 km/h.

    Sunday: Mostly sunny, with a high near 20. North wind around 15 km/h.

    Sunday Night: Partly cloudy, with a low around 11.

    Monday: Sunny, with a high near 23.

    Monday Night: Mostly clear, with a low around 11.

    Tuesday: Sunny, with a high near 24.

    Tuesday Night: Partly cloudy, with a low around 14.

    Wednesday: Mostly sunny, with a high near 24.

    Wednesday Night: Partly cloudy, with a low around 13.

    Thursday: Mostly sunny, with a high near 22.

    Thursday Night: A 30 percent chance of showers. Mostly cloudy, with a low around 13.

    Friday: A chance of showers. Partly sunny, with a high near 24.



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

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