Seabrook Dunes and Beach Weather Forecast

    • 61
    • 73

    Chance Rain Showers

    • 60
    • 81

    Mostly Sunny

    • 60
    • 80

    Mostly Sunny

    • 62
    • 81

    Mostly Sunny

    • 66
    • 80

    Chance Rain Showers

    • 63
    • 80

    Chance Rain Showers

Today 23 Aug Coastal Rockingham

Patchy fog this morning. Mostly cloudy with a chance of Showers. Isolated Thunderstorms this afternoon. Highs in the mid 70s. Light and variable Winds. Chance of rain 50 percent.

Tonight 23 Aug Coastal Rockingham

Mostly cloudy. A chance of Showers with isolated Thunderstorms in the evening. Patchy fog. Humid with Lows in the lower 60s. Light and variable Winds. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Dunes and Beach Temperature Statistics

August Temperature

Pease Air Force Base / Portsmouth (13.7 miles)

  • Lowest 16 August, 2026

    56.1 °F

  • Average August

    74.3 °F

  • Highest 7 August, 2026

    91.4 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (13.7 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
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