Slate Island Weather Forecast

    • 34
    • 39

    Increasing Clouds

    • 36
    • 44

    Mostly Cloudy

    • 38
    • 40

    Rain Likely

    • 30
    • 48

    Chance Rain/Snow

    • 29
    • 37

    Slight Chance Snow

    • 32
    • 34

    Chance Rain/Snow

Today 29 Mar Coastal Washington

Sunny. Not as cool with Highs in the upper 30s. West Winds 10 to 15 Mph. Gusts up to 30 Mph in the afternoon.

Tonight 29 Mar Coastal Washington

Partly cloudy. Near steady temperature in the lower 20s. West Winds around 5 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Slate Island Temperature Statistics

March Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (37.3 miles)

  • Lowest 2 March, 2026

    1.9 °F

  • Average March

    33.3 °F

  • Highest 10 March, 2026

    64 °F

Climate (2021–Present)

Bar Harbor, Hancock County-Bar Harbor Airport (37.3 miles)

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  • Average Low 2021–2026

    38.3 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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