Bar Island Weather Forecast

    • 40
    • 61

    Decreasing Clouds

    • 42
    • 60

    Mostly Sunny

    • 46
    • 59

    Mostly Cloudy

    • 46
    • 54

    Rain Showers Likely

    • 48
    • 58

    Chance Rain Showers

    • 50
    • 66

    Slight Chance Rain Showers

Today 21 May Lincoln

Partly sunny. Cooler with Highs in the mid 60s. Northwest Winds around 10 Mph.

Tonight 21 May Lincoln

Mostly clear. Lows in the upper 30s. Light and variable Winds.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Bar Island Temperature Statistics

May Temperature

Wiscasset Airport (13.7 miles)

  • Lowest 4 May, 2026

    33.1 °F

  • Average May

    53.9 °F

  • Highest 17 May, 2026

    84.9 °F

Climate (2021–Present)

Wiscasset Airport (13.7 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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