Southern Island Weather Forecast

    • 61
    • 76

    Mostly Sunny

    • 62
    • 74

    Partly Sunny

    • 64
    • 76

    Partly Sunny

    • 66
    • 79

    Mostly Cloudy

    • 65
    • 79

    Partly Sunny

    • 65
    • 79

    Partly Sunny

Today 4 Aug Knox

Sunny, warm with Highs in the mid 80s. West Winds 10 to 15 Mph with Gusts up to 25 Mph.

Tonight 4 Aug Knox

Mostly clear. Lows in the lower 60s. Southwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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Southern Island Temperature Statistics

August Temperature

Rockland, Knox County Regional Airport (8.1 miles)

  • Lowest 1 August, 2026

    55.9 °F

  • Average August

    65.9 °F

  • Highest 1 August, 2026

    75 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (8.1 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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