St Johns Weather Forecast

    • 22
    • 33

    Chance Snow

    • 17
    • 30

    Mostly Cloudy

    • 32
    • 38

    Mostly Cloudy

    • 28
    • 46

    Chance Rain

    • 23
    • 40

    Chance Rain

Today 22 Feb Mercer

Snow likely in the Morning, then snow Showers likely in the afternoon. Total snow accumulation around an inch. Highs in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph. Chance of snow 70 percent.

Tonight 22 Feb Mercer

Mostly cloudy with a 40 percent chance of snow Showers. Lows in the lower 20s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph.

Graph Plots Open in Graphs

  • 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

    29.3 °F

  • Highest 18 February, 2026

    66.2 °F

Climate (2021–Present)

Versailles Darke County Airport (14.3 miles)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    43.1 °F

  • Average 2021–2026

    52.3 °F

  • Average High 2021–2026

    61.5 °F
Get WillyWeather+ to remove ads