Deer Isle - Sylvester Cove Weather Forecast

    • 35
    • 48

    Partly Sunny

    • 33
    • 50

    Partly Sunny

    • 36
    • 43

    Rain

    • 23
    • 45

    Rain Likely

    • 29
    • 38

    Rain Likely

    • 24
    • 40

    Slight Chance Rain

Today 9 Mar Coastal Hancock

Mostly sunny. Highs in the lower 50s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

Tonight 9 Mar Coastal Hancock

Partly cloudy in the Evening, then clearing. Lows in the mid 30s. Southwest Winds 10 to 15 Mph with Gusts up to 30 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Deer Isle - Sylvester Cove Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (21.1 miles)

  • Lowest 2 March, 2026

    3 °F

  • Average March

    28.4 °F

  • Highest 4 March, 2026

    45 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (21.1 miles)

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  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    55 °F
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