St Johns Weather Forecast

    • 32
    • 71

    Rain

    • 17
    • 35

    Chance Rain/Snow

    • 18
    • 28

    Mostly Cloudy

    • 33
    • 41

    Mostly Cloudy

    • 36
    • 55

    Mostly Cloudy

    • 43
    • 61

    Mostly Cloudy

Today 15 Mar Mercer

Mostly cloudy and windy. Much warmer with Highs in the lower 70s. South Winds around 30 Mph with Gusts up to 55 Mph.

Tonight 15 Mar Mercer

Partly cloudy with a chance of Showers in the Evening, then Showers after midnight. Windy with Lows in the lower 30s. South Winds 25 to 30 Mph with Gusts up to 55 Mph. Chance of rain 100 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

March Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 2 March, 2026

    23 °F

  • Average March

    48.7 °F

  • Highest 6 March, 2026

    75.2 °F

Climate (2021–Present)

Versailles Darke County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.6 °F
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