Hewett Island Weather Forecast

    • 63
    • 73

    Becoming Sunny

    • 63
    • 76

    Mostly Sunny

    • 62
    • 74

    Mostly Sunny

    • 64
    • 74

    Partly Sunny

    • 69
    • 76

    Partly Sunny

    • 64
    • 78

    Partly Sunny

    • 62
    • 76

    Partly Sunny

Today 10 Jul Knox

Partly sunny. Highs in the lower 80s. Northwest Winds around 10 Mph.

Tonight 10 Jul Knox

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

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Hewett Island Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (5 miles)

  • Lowest 6 July, 2026

    55 °F

  • Average July

    71.8 °F

  • Highest 2 July, 2026

    91.9 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (5 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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