Hampton Harbor - Knowles Island Weather Forecast

    • 61
    • 79

    Decreasing Clouds

    • 56
    • 70

    Chance Rain Showers

    • 52
    • 69

    Mostly Sunny

    • 60
    • 75

    Mostly Sunny

    • 59
    • 75

    Mostly Cloudy

    • 65
    • 73

    Chance Rain Showers

    • 59
    • 79

    Partly Sunny

Today 4 Sep Coastal Rockingham

Partly sunny. Highs in the lower 80s. Light and variable Winds.

Tonight 4 Sep Coastal Rockingham

Partly cloudy in the Evening, then clearing. Lows around 60. Light and variable Winds.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Hampton Harbor - Knowles Island Temperature Statistics

September Temperature

Pease Air Force Base / Portsmouth (13 miles)

  • Lowest 1 September, 2026

    59.9 °F

  • Average September

    64.4 °F

  • Highest 2 September, 2026

    69.3 °F

Climate (2021–2026)

Pease Air Force Base / Portsmouth (13 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    42.3 °F

  • Average 2021–2026

    50.7 °F

  • Average High 2021–2026

    59.2 °F
Get WillyWeather+ to remove ads