Seabrook Dunes and Beach Weather Forecast

    • 67
    • 84

    Chance Rain Showers

    • 63
    • 80

    Mostly Sunny

    • 65
    • 79

    Partly Sunny

    • 65
    • 80

    Partly Sunny

    • 69
    • 85

    Partly Sunny

    • 71
    • 90

    Mostly Sunny

Today 19 Jun Coastal Rockingham

Mostly cloudy this Morning, then becoming partly sunny. Areas of fog this morning. Warm with Highs in the upper 80s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph this afternoon. Heat index Values in the lower 90s this afternoon.

Tonight 19 Jun Coastal Rockingham

Partly cloudy. A chance of Showers with a slight chance of Thunderstorms in the evening. Some Thunderstorms may produce heavy rainfall in the evening. Humid with Lows in the upper 60s. Southwest Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 40 percent. Heat index Values in the lower 90s early in the evening.

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Seabrook Dunes and Beach Temperature Statistics

June Temperature

Pease Air Force Base / Portsmouth (13.7 miles)

  • Lowest 2 June, 2025

    47.1 °F

  • Average June

    64.4 °F

  • Highest 5 June, 2025

    89.4 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (13.7 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.9 °F

  • Average High 2020–2025

    59.3 °F
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