Hewett Island Weather Forecast

    • 47
    • 53

    Chance Rain

    • 51
    • 58

    Partly Sunny

    • 47
    • 65

    Mostly Sunny

    • 49
    • 55

    Partly Sunny

    • 54
    • 60

    Slight Chance Rain Showers

    • 49
    • 60

    Chance Rain Showers

Today 15 May Knox

Rain. Highs in the lower 60s. Light and variable Winds. Chance of rain 90 percent.

Tonight 15 May Knox

Partly cloudy with a slight chance of Showers in the Evening, then mostly clear after midnight. Lows in the upper 40s. Light and variable Winds. Chance of rain 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hewett Island Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (5 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    48.8 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

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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