Johns Bay - Johns Island Weather Forecast

    • 52
    • 67

    Increasing Clouds

    • 51
    • 64

    Rain Likely

    • 50
    • 62

    Rain

    • 50
    • 60

    Rain

    • 50
    • 64

    Slight Chance Rain Showers

    • 50
    • 67

    Mostly Cloudy

Today 25 Sep Lincoln

Partly sunny. Highs in the lower 70s. Northeast Winds around 10 Mph with Gusts up to 20 Mph.

Tonight 25 Sep Lincoln

Cloudy. A slight chance of rain after midnight. Lows in the lower 50s. Light and variable Winds, becoming northeast around 10 Mph with Gusts up to 20 Mph after midnight. Chance of rain 20 percent.

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Johns Bay - Johns Island Temperature Statistics

September Temperature

Wiscasset Airport (10.6 miles)

  • Lowest 20 September, 2026

    41 °F

  • Average September

    63.2 °F

  • Highest 10 September, 2026

    87.1 °F

Climate (2021–2026)

Wiscasset Airport (10.6 miles)

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  • Average Low 2021–2026

    38.7 °F

  • Average 2021–2026

    48.5 °F

  • Average High 2021–2026

    58.1 °F
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