Isle Au Haut - Old Cove Weather Forecast

    • 38
    • 38

    Rain

    • 27
    • 42

    Chance Rain

    • 33
    • 38

    Rain Likely

    • 28
    • 40

    Breezy

    • 33
    • 38

    Rain

    • 30
    • 47

    Rain

Today 11 Mar Knox

Mostly cloudy. A chance of rain Showers with a slight chance of snow this Morning, then rain Showers likely this afternoon. Areas of fog this afternoon. Colder with Highs in the upper 30s. East Winds around 10 Mph with Gusts up to 25 Mph. Chance of precipitation 60 percent.

Tonight 11 Mar Knox

Showers. Areas of dense fog. Lows in the upper 30s. Southeast Winds around 10 Mph, becoming south after midnight. Gusts up to 25 Mph. Chance of rain 80 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

March Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 2 March, 2026

    3 °F

  • Average March

    32.1 °F

  • Highest 9 March, 2026

    53.1 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (24.2 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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