Castalia Weather Forecast

    • 72
    • 90

    Chance Thunderstorms

    • 73
    • 94

    Chance Thunderstorms

    • 72
    • 95

    Slight Chance Thunderstorms

    • 69
    • 92

    Rain Showers Likely

    • 66
    • 85

    Chance Thunderstorms

    • 66
    • 86

    Chance Thunderstorms

Today 8 Jul Nash

Partly sunny. A chance of Showers and Thunderstorms this afternoon. Highs in the lower 90s. Light and variable Winds, becoming northeast around 5 Mph this afternoon. Chance of rain 40 percent.

Tonight 8 Jul Nash

Partly cloudy. A chance of Showers and Thunderstorms, mainly in the evening. Lows in the lower 70s. East Winds around 5 Mph in the Evening, becoming light and variable. Chance of rain 40 percent.

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Castalia Temperature Statistics

July Temperature

Franklin County Airport (15.5 miles)

  • Lowest 1 July, 2026

    68 °F

  • Average July

    82.5 °F

  • Highest 3 July, 2026

    96.8 °F

Climate (2021–2026)

Franklin County Airport (15.5 miles)

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  • Average Low 2021–2026

    49.1 °F

  • Average 2021–2026

    59.6 °F

  • Average High 2021–2026

    70.6 °F
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