Hampton Harbor - Knowles Island Weather Forecast

    • 16
    • 23

    Increasing Clouds

    • 13
    • 26

    Slight Chance Snow

    • 27
    • 36

    Mostly Cloudy

    • 25
    • 41

    Rain

    • 19
    • 31

    Partly Sunny

    • 19
    • 33

    Partly Sunny

Today 26 Dec Coastal Rockingham

Partly sunny. Highs in the lower 20s. Northwest Winds around 10 Mph with Gusts up to 20 Mph this Morning, becoming light and variable. Wind chill Values as low as 2 below this morning.

Tonight 26 Dec Coastal Rockingham

Cloudy with a 40 percent chance of snow. Lows around 14. Light and variable Winds, becoming north around 10 Mph after midnight.

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Hampton Harbor - Knowles Island Temperature Statistics

December Temperature

Pease Air Force Base / Portsmouth (13 miles)

  • Lowest 5 December, 2025

    6.8 °F

  • Average December

    29 °F

  • Highest 19 December, 2025

    55.4 °F

Climate (2020–Present)

Pease Air Force Base / Portsmouth (13 miles)

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  • Average Low 2020–2025

    42.6 °F

  • Average 2020–2025

    50.8 °F

  • Average High 2020–2025

    59.4 °F
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