St Johns Weather Forecast

    • 24
    • 54

    Partly Sunny

    • 28
    • 44

    Partly Sunny

    • 48
    • 63

    Partly Sunny

    • 51
    • 72

    Partly Sunny

Today 6 Apr Mercer

Partly cloudy. Highs in the lower 50s. West Winds 10 to 15 Mph, becoming northwest 15 to 20 Mph this afternoon.

Tonight 6 Apr Mercer

Mostly Clear, then becoming partly cloudy this late evening and early Morning, then becoming mostly clear. Unseasonably cold with Lows in the mid 20s. Northwest Winds 10 to 15 Mph with Gusts up to 25 Mph.

Graph Plots Open in Graphs

  • Temperature Forecast NOAA

  • Temperature Real-Time

St Johns Temperature Statistics

April Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 1 April, 2026

    39.2 °F

  • Average April

    60.4 °F

  • Highest 3 April, 2026

    78.8 °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

    43.2 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    61.7 °F
Get WillyWeather+ to remove ads