St Johns Weather Forecast

    • 22
    • 45

    Rain Likely

    • 23
    • 33

    Slight Chance Snow

    • 29
    • 38

    Partly Sunny

    • 33
    • 45

    Chance Rain

    • 15
    • 39

    Chance Rain

Today 10 Jan Mercer

Mostly cloudy with rain. Cooler with Highs in the mid 40s. West Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 90 percent.

Tonight 10 Jan Mercer

Mostly cloudy early this Evening, then becoming partly cloudy. Snow likely after midnight. Total snow accumulation around an inch. Cooler with Lows in the lower 20s. West Winds 10 to 15 Mph. Gusts up to 30 Mph early this evening. Chance of snow 70 percent.

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St Johns Temperature Statistics

January Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 1 January, 2026

    10.4 °F

  • Average January

    32.6 °F

  • Highest 8 January, 2026

    59 °F

Climate (2021–Present)

Versailles Darke County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.2 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.5 °F
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