Vinalhaven Weather Forecast

    • 59
    • 69

    Rain

    • 59
    • 75

    Partly Sunny

    • 55
    • 71

    Partly Sunny

    • 55
    • 70

    Partly Sunny

    • 58
    • 69

    Partly Sunny

    • 56
    • 69

    Partly Sunny

Today 3 Sep Knox

Patchy fog this morning. Rain this Morning, then Showers likely this afternoon. Highs in the upper 60s. Southeast Winds around 10 Mph with Gusts up to 20 Mph. Chance of rain near 100 percent.

Tonight 3 Sep Knox

Mostly cloudy. Patchy fog. Lows in the upper 50s. Light and variable Winds.

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Vinalhaven Temperature Statistics

September Temperature

Rockland, Knox County Regional Airport (13 miles)

  • Lowest 1 September, 2026

    48.9 °F

  • Average September

    59.6 °F

  • Highest 1 September, 2026

    69.1 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (13 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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