Hart Island Weather Forecast

    • 55
    • 63

    Decreasing Clouds

    • 55
    • 65

    Mostly Sunny

    • 52
    • 63

    Mostly Cloudy

    • 56
    • 61

    Rain Showers Likely

    • 56
    • 66

    Partly Sunny

    • 55
    • 66

    Partly Sunny

Today 15 Jun Knox

Partly sunny. Highs in the mid 70s. Light and variable Winds.

Tonight 15 Jun Knox

Partly cloudy. Lows in the lower 50s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Island Temperature Statistics

June Temperature

Rockland, Knox County Regional Airport (13.7 miles)

  • Lowest 2 June, 2026

    37.9 °F

  • Average June

    58.8 °F

  • Highest 9 June, 2026

    81 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    39.5 °F

  • Average 2021–2026

    47.5 °F

  • Average High 2021–2026

    54.8 °F
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