St Johns Weather Forecast

    • 64
    • 81

    Rain Showers Likely

    • 57
    • 75

    Rain Showers Likely

    • 62
    • 78

    Rain Showers Likely

    • 40
    • 76

    Rain Showers Likely

    • 32
    • 53

    Partly Sunny

    • 36
    • 56

    Partly Sunny

Today 15 Apr Mercer

Partly cloudy with a chance of Showers with a slight chance of Thunderstorms in the Morning, then mostly cloudy with Showers likely with a chance of Thunderstorms in the afternoon. Unseasonably warm with Highs in the lower 80s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

Tonight 15 Apr Mercer

Mostly cloudy with Showers likely with a chance of Thunderstorms. Unseasonably warm with Lows in the mid 60s. Southwest Winds 10 to 15 Mph with Gusts up to 25 Mph. Chance of rain 70 percent.

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 7 April, 2026

    28.4 °F

  • Average April

    54 °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

    43.1 °F

  • Average 2021–2026

    52.4 °F

  • Average High 2021–2026

    61.6 °F
Get WillyWeather+ to remove ads