St Johns Weather Forecast

    • 36
    • 48

    Mostly Cloudy

    • 32
    • 49

    Slight Chance Rain

    • 37
    • 52

    Mostly Cloudy

    • 48
    • 56

    Mostly Cloudy

    • 42
    • 64

    Chance Rain

    • 38
    • 61

    Slight Chance Rain

Today 14 Feb Mercer

Partly cloudy. Highs in the upper 40s. South Winds 5 to 10 Mph.

Tonight 14 Feb Mercer

Mostly cloudy. A slight chance of rain this Evening, then rain likely after midnight. Lows in the mid 30s. Southwest Winds around 5 Mph. Chance of rain 70 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

    20.6 °F

  • Highest 10 February, 2026

    50 °F

Climate (2021–Present)

Versailles Darke County Airport (14.3 miles)

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  • Average Low 2021–2026

    43 °F

  • Average 2021–2026

    52.2 °F

  • Average High 2021–2026

    61.4 °F
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