Isle Au Haut - Merchants Cove Weather Forecast

    • 37
    • 44

    Rain

    • 32
    • 44

    Partly Sunny

    • 36
    • 41

    Partly Sunny

    • 39
    • 43

    Chance Rain Showers

    • 38
    • 46

    Slight Chance Rain Showers

    • 39
    • 46

    Partly Sunny

Today 19 Apr Knox

Areas of fog this morning. A chance of rain this Morning, then rain with a slight chance of Thunderstorms this afternoon. Highs in the upper 40s. Light and variable Winds, becoming southwest around 10 Mph this afternoon. Chance of rain near 100 percent.

Tonight 19 Apr Knox

Cloudy with rain with a slight chance of snow in the Evening, then mostly clear after midnight. Lows in the lower 30s. Northwest Winds around 10 Mph with Gusts up to 20 Mph in the Evening, becoming light and variable. Chance of precipitation 80 percent.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

Isle Au Haut - Merchants Cove Temperature Statistics

April Temperature

Rockland, Knox County Regional Airport (23.6 miles)

  • Lowest 7 April, 2026

    24.1 °F

  • Average April

    41.3 °F

  • Highest 17 April, 2026

    66 °F

Climate (2021–Present)

Rockland, Knox County Regional Airport (23.6 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    39.6 °F

  • Average 2021–2026

    47.7 °F

  • Average High 2021–2026

    54.9 °F
Get WillyWeather+ to remove ads