Sandusky Weather Forecast

    • 23
    • 36

    Mostly Sunny

    • 42
    • 46

    Rain Likely

    • 33
    • 54

    Slight Chance Rain

    • 48
    • 55

    Rain Likely

    • 53
    • 62

    Slight Chance Rain

    • 42
    • 59

    Mostly Cloudy

Today 21 Dec Decatur

Partly Cloudy, then becoming mostly sunny this Morning, then becoming sunny. Cooler with Highs in the upper 30s. Northwest Winds 5 to 10 Mph with Gusts up to 20 Mph, becoming north this afternoon.

Tonight 21 Dec Decatur

Clear through Midnight, then becoming partly cloudy. Cold with Lows in the lower 20s. Southeast Winds around 5 Mph.

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Sandusky Temperature Statistics

December Temperature

Shelbyville Municipal Airport (19.9 miles)

  • Lowest 15 December, 2025

    -7.1 °F

  • Average December

    26.7 °F

  • Highest 18 December, 2025

    54 °F

Climate (2020–Present)

Shelbyville Municipal Airport (19.9 miles)

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  • Average Low 2020–2025

    47 °F

  • Average 2020–2025

    56.9 °F

  • Average High 2020–2025

    66.9 °F
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