Seabrook Dunes and Beach Weather Forecast

    • 35
    • 44

    Rain Showers Likely

    • 34
    • 44

    Rain

    • 25
    • 38

    Rain Likely

    • 29
    • 36

    Partly Sunny

    • 32
    • 42

    Mostly Cloudy

    • 28
    • 44

    Slight Chance Snow

    • 20
    • 38

    Slight Chance Snow

Today 9 Jan Coastal Rockingham

Mostly cloudy with a 20 percent chance of rain. Highs in the lower 40s. South Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 9 Jan Coastal Rockingham

Cloudy with a chance of rain this Evening, then partly cloudy after midnight. Lows in the mid 30s. South Winds around 10 Mph, becoming west after midnight. Chance of rain 50 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Seabrook Dunes and Beach Temperature Statistics

January Temperature

Pease Air Force Base / Portsmouth (13.7 miles)

  • Lowest 5 January, 2026

    10.4 °F

  • Average January

    23.1 °F

  • Highest 7 January, 2026

    34.2 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (13.7 miles)

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  • Average Low 2021–2026

    42.5 °F

  • Average 2021–2026

    50.8 °F

  • Average High 2021–2026

    59.3 °F
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