Castalia Weather Forecast

    • 55
    • 73

    Partly Sunny

    • 56
    • 70

    Rain Showers Likely

    • 52
    • 68

    Partly Sunny

    • 53
    • 69

    Mostly Sunny

    • 56
    • 73

    Mostly Sunny

    • 57
    • 76

    Partly Sunny

Today 27 Aug Erie

Mostly sunny. Highs in the lower 70s. Northwest Winds 5 to 10 Mph.

Tonight 27 Aug Erie

Mostly cloudy this Evening, then becoming partly cloudy. Lows in the mid 50s. Southwest Winds 5 to 10 Mph.

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Castalia Temperature Statistics

August Temperature

Port Clinton Carl R Keller Field Airport (8.1 miles)

  • Lowest 3 August, 2025

    57.2 °F

  • Average August

    73.1 °F

  • Highest 12 August, 2025

    89.6 °F

Climate (2020–Present)

Port Clinton Carl R Keller Field Airport (8.1 miles)

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  • Average Low 2020–2025

    45.5 °F

  • Average 2020–2025

    52.8 °F

  • Average High 2020–2025

    60.4 °F
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