Hampton Harbor - Knowles Island Weather Forecast

    • 45
    • 64

    Decreasing Clouds

    • 45
    • 62

    Partly Sunny

    • 47
    • 61

    Rain Showers Likely

    • 48
    • 56

    Rain Showers Likely

    • 51
    • 63

    Chance Rain Showers

    • 54
    • 73

    Partly Sunny

Today 21 May Coastal Rockingham

Mostly cloudy. Cooler with Highs in the mid 60s. North Winds around 10 Mph this Morning, becoming light and variable.

Tonight 21 May Coastal Rockingham

Partly cloudy in the Evening, then clearing. Lows in the lower 40s. Light and variable Winds.

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  • Temperature Real-Time

Hampton Harbor - Knowles Island Temperature Statistics

May Temperature

Pease Air Force Base / Portsmouth (13 miles)

  • Lowest 9 May, 2026

    38.1 °F

  • Average May

    57.3 °F

  • Highest 19 May, 2026

    94.1 °F

Climate (2021–Present)

Pease Air Force Base / Portsmouth (13 miles)

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  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.6 °F

  • Average High 2021–2026

    59.1 °F
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