Hart Island Weather Forecast

    • 36
    • 46

    Becoming Sunny

    • 39
    • 44

    Breezy

    • 47
    • 50

    Rain Showers Likely

    • 43
    • 53

    Chance Rain Showers

    • 45
    • 49

    Chance Rain Showers

    • 43
    • 53

    Slight Chance Rain Showers

Today 11 Apr Knox

Mostly sunny. A slight chance of Showers in the morning. Highs in the lower 50s. Northwest Winds 10 to 15 Mph with Gusts up to 30 Mph. Chance of rain 20 percent.

Tonight 11 Apr Knox

Mostly clear. Lows in the lower 30s. Northwest Winds around 10 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Hart Island Temperature Statistics

April Temperature

Rockland, Knox County Regional Airport (13.7 miles)

  • Lowest 7 April, 2026

    24.1 °F

  • Average April

    37.9 °F

  • Highest 1 April, 2026

    52 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (13.7 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.9 °F
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