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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.87°N 72.27°W (Text-Only)
NWS Forecast for: Swanzey NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 2:26 am EDT Jun 30, 2026		Print

  • Today

    Today: A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

    High: 90 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Tonight

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67. Calm wind becoming south around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 67 °F

    Chance
    Showers then
    Slight Chance
    T-storms

  • Wednesday

    Wednesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    High: 96 °F

    Mostly Sunny
    then Slight
    Chance
    T-storms

  • Wednesday
    Night

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Low: 74 °F

    Partly Cloudy



  • Thursday

    Thursday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.

    High: 100 °F

    Hot



  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 75.

    Low: 75 °F

    Mostly Clear



  • Friday

    Friday: Sunny and hot, with a high near 98.

    High: 98 °F

    Hot



  • Friday
    Night

    Friday Night: Mostly clear, with a low around 70.

    Low: 70 °F

    Mostly Clear



  • Independence
    Day

    Independence Day: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 94.

    High: 94 °F

    Mostly Sunny
    then Chance
    T-storms



    • Today: A slight chance of showers and thunderstorms between 3pm and 5pm. Mostly sunny and hot, with a high near 90. Calm wind becoming southwest around 5 mph. Chance of precipitation is 20%.

    Tonight: A 40 percent chance of showers and thunderstorms, mainly before midnight. Mostly cloudy, with a low around 67. Calm wind becoming south around 5 mph. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Wednesday: A slight chance of showers and thunderstorms between 2pm and 3pm. Mostly sunny and hot, with a high near 96. Heat index values as high as 109. Calm wind becoming southwest around 5 mph in the afternoon. Chance of precipitation is 20%.

    Wednesday Night: Partly cloudy, with a low around 74. Calm wind.

    Thursday: Sunny and hot, with a high near 100. Calm wind becoming west around 5 mph in the afternoon.

    Thursday Night: Mostly clear, with a low around 75.

    Friday: Sunny and hot, with a high near 98.

    Friday Night: Mostly clear, with a low around 70.

    Independence Day: A 30 percent chance of showers and thunderstorms after 4pm. Mostly sunny and hot, with a high near 94.

    Saturday Night: A 30 percent chance of showers and thunderstorms before 7pm. Partly cloudy, with a low around 67.

    Sunday: Mostly sunny and hot, with a high near 91.

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

    Monday: A 30 percent chance of showers and thunderstorms. Partly sunny, with a high near 88.


    Swanzey NH
     42.87°N 72.27°W (Elev. 495 ft)

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