Castalia Weather Forecast

    • 63
    • 83

    Increasing Clouds

    • 68
    • 86

    Mostly Cloudy

    • 65
    • 79

    Rain Showers Likely

    • 65
    • 80

    Slight Chance Thunderstorms

    • 64
    • 80

    Mostly Sunny

    • 66
    • 84

    Mostly Sunny

Today 30 Jul Erie

Sunny. Highs in the lower 80s. North Winds 5 to 10 Mph.

Tonight 30 Jul Erie

Mostly clear. Lows in the mid 60s. Northeast Winds around 5 Mph, becoming southwest after midnight.

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Castalia Temperature Statistics

July Temperature

Port Clinton Carl R Keller Field Airport (8.1 miles)

  • Lowest 23 July, 2026

    57.2 °F

  • Average July

    76.5 °F

  • Highest 1 July, 2026

    98.6 °F

Climate (2021–2026)

Port Clinton Carl R Keller Field Airport (8.1 miles)

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  • Average Low 2021–2026

    45.3 °F

  • Average 2021–2026

    52.8 °F

  • Average High 2021–2026

    60.5 °F
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