Isle Au Haut - Old Cove Weather Forecast

    • 59
    • 63

    Rain Likely

    • 59
    • 69

    Rain Likely

    • 59
    • 69

    Slight Chance Rain Showers

    • 60
    • 71

    Mostly Cloudy

    • 60
    • 71

    Chance Rain Showers

    • 61
    • 72

    Chance Rain Showers

    • 61
    • 74

    Partly Sunny

Today 29 Jul Knox

Mostly cloudy. Patchy fog. Highs in the lower 70s. East Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 29 Jul Knox

Cloudy with a slight chance of Thunderstorms. Showers. Areas of fog in the evening. Patchy fog after midnight. Lows in the upper 50s. East Winds around 10 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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  • Temperature Real-Time

Isle Au Haut - Old Cove Temperature Statistics

July Temperature

Rockland, Knox County Regional Airport (24.2 miles)

  • Lowest 27 July, 2026

    44.1 °F

  • Average July

    68.3 °F

  • Highest 2 July, 2026

    91.9 °F

Climate (2021–2026)

Rockland, Knox County Regional Airport (24.2 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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