Cape Split Weather Forecast

    • 56
    • 64

    Rain

    • 47
    • 70

    Mostly Sunny

    • 48
    • 60

    Mostly Sunny

    • 48
    • 59

    Chance Rain Showers

    • 48
    • 60

    Partly Sunny

    • 48
    • 60

    Slight Chance Rain Showers

Today 17 Sep Coastal Washington

Mostly cloudy. Patchy fog this morning. Patchy fog this afternoon. Highs in the mid 60s. Northeast Winds around 5 Mph, becoming southeast this afternoon.

Tonight 17 Sep Coastal Washington

A chance of rain in the Evening, then rain after midnight. Areas of fog. Near steady temperature in the mid 50s. South Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain near 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

Cape Split Temperature Statistics

September Temperature

Bar Harbor, Hancock County-Bar Harbor Airport (31.1 miles)

  • Lowest 9 September, 2026

    44.1 °F

  • Average September

    61 °F

  • Highest 10 September, 2026

    80.1 °F

Climate (2021–2026)

Bar Harbor, Hancock County-Bar Harbor Airport (31.1 miles)

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  • Average Low 2021–2026

    38.2 °F

  • Average 2021–2026

    46.5 °F

  • Average High 2021–2026

    54.6 °F
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