Hampton Harbor - Knowles Island Weather Forecast

    • 23
    • 29

    Partly Sunny

    • 29
    • 40

    Chance Rain/Snow

    • 23
    • 38

    Chance Snow

    • 15
    • 33

    Partly Sunny

    • 11
    • 21

    Partly Sunny

    • 18
    • 26

    Mostly Cloudy

Today 16 Jan Coastal Rockingham

Mostly sunny. Colder with Highs in the upper 20s. West Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 16 Jan Coastal Rockingham

Partly cloudy this Evening, then mostly cloudy with a slight chance of snow after midnight. Lows in the lower 20s. West Winds around 10 Mph with Gusts up to 20 Mph this Evening, becoming light and variable. Chance of snow 20 percent.

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Hampton Harbor - Knowles Island Temperature Statistics

January Temperature

Pease Air Force Base / Portsmouth (13 miles)

  • Lowest 5 January, 2026

    10.4 °F

  • Average January

    30.5 °F

  • Highest 14 January, 2026

    50.2 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (13 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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