Cape Harbor Weather Forecast

    • 50
    • 70

    Slight Chance Thunderstorms

    • 46
    • 57

    Partly Sunny

    • 48
    • 55

    Partly Sunny

    • 47
    • 54

    Mostly Cloudy

    • 47
    • 55

    Chance Rain Showers

    • 48
    • 56

    Chance Rain Showers

Today 20 May Lincoln

Partly sunny. A slight chance of Showers and Thunderstorms this afternoon. Warm with Highs in the upper 80s. West Winds 15 to 20 Mph. Gusts up to 35 Mph this afternoon. Chance of rain 20 percent.

Tonight 20 May Lincoln

Partly cloudy. Less humid with Lows in the upper 40s. Northwest Winds 10 to 15 Mph. Gusts up to 30 Mph in the evening.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Harbor Temperature Statistics

May Temperature

Wiscasset Airport (12.4 miles)

  • Lowest 4 May, 2026

    33.1 °F

  • Average May

    53.6 °F

  • Highest 17 May, 2026

    84.9 °F

Climate (2021–Present)

Wiscasset Airport (12.4 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.4 °F

  • Average High 2021–2026

    57.8 °F
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