Outer Heron Island Weather Forecast

    • 25
    • 29

    Slight Chance Snow Showers

    • 32
    • 36

    Slight Chance Snow Showers

    • 36
    • 40

    Rain Showers Likely

    • 37
    • 41

    Chance Rain

    • 30
    • 43

    Chance Rain

    • 26
    • 37

    Partly Sunny

    • 30
    • 36

    Mostly Cloudy

Today 18 Mar Lincoln

Partly sunny. Highs in the lower 30s. Light and variable Winds.

Tonight 18 Mar Lincoln

Partly cloudy. Lows in the lower 20s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Outer Heron Island Temperature Statistics

March Temperature

Wiscasset Airport (14.3 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 (14.3 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.9 °F
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