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National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
7-Day Forecast 42.89°N 70.88°W (Text-Only)
NWS Forecast for: Seabrook NH
Issued by: National Weather Service Gray/Portland, ME
Last Update: 2:26 am EDT Jun 30, 2026		Print

  • Today

    Today: Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    High: 88 °F

    Mostly Sunny


  • Tonight

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Low: 69 °F

    Chance
    Showers

  • Wednesday

    Wednesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Southwest wind around 5 mph.

    High: 94 °F

    Hot


  • Wednesday
    Night

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph.

    Low: 75 °F

    Mostly Clear


  • Thursday

    Thursday: Sunny and hot, with a high near 97. West wind around 5 mph.

    High: 97 °F

    Hot


  • Thursday
    Night

    Thursday Night: Mostly clear, with a low around 74.

    Low: 74 °F

    Mostly Clear


  • Friday

    Friday: Sunny and hot, with a high near 102.

    High: 102 °F

    Hot


  • Friday
    Night

    Friday Night: Mostly clear, with a low around 73.

    Low: 73 °F

    Mostly Clear


  • Independence
    Day

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    High: 91 °F

    Mostly Sunny
    then Chance
    T-storms



    • Today: Mostly sunny, with a high near 88. Calm wind becoming southeast around 5 mph in the afternoon.

    Tonight: A chance of showers and thunderstorms. Mostly cloudy, with a low around 69. Southwest wind around 5 mph. Chance of precipitation is 40%. New rainfall amounts of less than a tenth of an inch, except higher amounts possible in thunderstorms.

    Wednesday: Mostly sunny and hot, with a high near 94. Heat index values as high as 102. Southwest wind around 5 mph.

    Wednesday Night: Mostly clear, with a low around 75. Southwest wind around 5 mph.

    Thursday: Sunny and hot, with a high near 97. West wind around 5 mph.

    Thursday Night: Mostly clear, with a low around 74.

    Friday: Sunny and hot, with a high near 102.

    Friday Night: Mostly clear, with a low around 73.

    Independence Day: A 40 percent chance of showers and thunderstorms after 2pm. Mostly sunny and hot, with a high near 91.

    Saturday Night: A chance of showers and thunderstorms before 8pm, then a chance of showers between 8pm and 10pm. Partly cloudy, with a low around 69. Chance of precipitation is 30%.

    Sunday: Mostly sunny, with a high near 89.

    Sunday Night: Partly cloudy, with a low around 66.

    Monday: Partly sunny, with a high near 82.


    Seabrook NH
     42.89°N 70.88°W (Elev. 49 ft)

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