St Johns Weather Forecast

    • 19
    • 37

    Chance Snow

    • 7
    • 28

    Mostly Cloudy

    • 0
    • 12

    Cold

    • 7
    • 10

    Chance Snow

    • 2
    • 16

    Mostly Cloudy

    • 0
    • 11

    Partly Sunny

    • 9
    • 18

    Mostly Cloudy

Today 21 Jan Mercer

Partly cloudy and warmer. Near steady Temperatures in the upper 30s. Southwest Winds 15 to 20 Mph with Gusts up to 35 Mph.

Tonight 21 Jan Mercer

Partly cloudy. Lows 15 to 20. West Winds 15 to 20 Mph with Gusts up to 35 Mph.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

January Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 19 January, 2026

    3.2 °F

  • Average January

    30.1 °F

  • Highest 9 January, 2026

    60.8 °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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