St Johns Weather Forecast

    • 22
    • 42

    Increasing Clouds

    • 26
    • 41

    Partly Sunny

    • 35
    • 52

    Mostly Sunny

    • 26
    • 53

    Chance Snow

    • 20
    • 36

    Chance Snow

    • 24
    • 37

    Chance Freezing Rain

Today 25 Feb Mercer

Mostly sunny. Highs in the lower 40s. West Winds 15 to 20 Mph with Gusts up to 30 Mph.

Tonight 25 Feb Mercer

Partly cloudy. A slight chance of snow after midnight. Lows in the lower 20s. Northwest Winds 5 to 10 Mph, becoming northeast after midnight. Chance of snow 20 percent.

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  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

February Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 5 February, 2026

    -5.8 °F

  • Average February

    29.6 °F

  • Highest 18 February, 2026

    66.2 °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

    61.5 °F
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