Monhegan Island Weather Forecast

    • 47
    • 61

    Increasing Clouds

    • 48
    • 53

    Partly Sunny

    • 54
    • 61

    Partly Sunny

    • 48
    • 61

    Slight Chance Rain Showers

    • 45
    • 55

    Mostly Sunny

    • 46
    • 52

    Mostly Cloudy

Today 17 May Lincoln

Mostly sunny. Highs in the upper 70s. West Winds 10 to 15 Mph. Gusts up to 30 Mph this afternoon.

Tonight 17 May Lincoln

Mostly clear in the Evening, then becoming partly cloudy. Lows in the upper 40s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph in the Evening, becoming light and variable.

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  • Temperature Real-Time

Monhegan Island Temperature Statistics

May Temperature

Rockland, Knox County Regional Airport (23 miles)

  • Lowest 4 May, 2026

    32 °F

  • Average May

    49.2 °F

  • Highest 4 May, 2026

    63 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (23 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.6 °F

  • Average High 2021–2026

    54.8 °F
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