Three Islands Weather Forecast

    • 33
    • 41

    Rain/Snow

    • 31
    • 44

    Chance Rain

    • 30
    • 40

    Chance Rain/Snow

    • 23
    • 38

    Chance Snow

    • 25
    • 37

    Partly Sunny

    • 24
    • 41

    Slight Chance Snow

Today 20 Mar Coastal Cumberland

Mostly sunny in the Morning, then mostly cloudy with rain and snow likely in the afternoon. Highs in the lower 40s. Light and variable Winds, becoming south around 10 Mph with Gusts up to 20 Mph in the afternoon. Chance of precipitation 60 percent.

Tonight 20 Mar Coastal Cumberland

Rain and snow in the Evening, then rain likely after midnight. Lows in the lower 30s. South Winds around 10 Mph in the Evening, becoming light and variable. Chance of precipitation 90 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Three Islands Temperature Statistics

March Temperature

Wiscasset Airport (11.2 miles)

  • Lowest 2 March, 2026

    1.9 °F

  • Average March

    35.8 °F

  • Highest 10 March, 2026

    69.1 °F

Climate (2021–Present)

Wiscasset Airport (11.2 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    58 °F
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