Bar Harbor Weather Forecast

    • 68
    • 78

    Rain Showers Likely

    • 66
    • 82

    Rain Showers Likely

    • 68
    • 77

    Chance Thunderstorms

    • 68
    • 84

    Chance Thunderstorms

    • 63
    • 81

    Partly Sunny

    • 61
    • 77

    Partly Sunny

Today 31 Aug Southern Nassau

Mostly cloudy Early, then partly sunny with a slight chance of Showers this afternoon. Highs in the upper 70s. North Winds around 5 Mph, becoming southeast this afternoon. Chance of rain 20 percent.

Tonight 31 Aug Southern Nassau

Mostly cloudy. A chance of Showers with a slight chance of Thunderstorms in the Evening, then Showers likely with a slight chance of Thunderstorms after midnight. Humid with Lows in the upper 60s. South Winds 5 to 10 Mph. Chance of rain 70 percent.

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Bar Harbor Temperature Statistics

August Temperature

Farmingdale - Republic Airport (5 miles)

  • Lowest 24 August, 2026

    63 °F

  • Average August

    75.7 °F

  • Highest 9 August, 2026

    90 °F

Climate (2021–2026)

Farmingdale - Republic Airport (5 miles)

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  • Average Low 2021–2026

    48.2 °F

  • Average 2021–2026

    55.7 °F

  • Average High 2021–2026

    63 °F
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