St Johns Weather Forecast

    • 56
    • 79

    Mostly Sunny

    • 62
    • 82

    Partly Sunny

    • 65
    • 83

    Chance Rain Showers

    • 65
    • 82

    Rain Showers Likely

    • 63
    • 83

    Chance Rain Showers

    • 64
    • 84

    Partly Sunny

Today 3 Jun Mercer

Sunny. Highs around 80. Light and variable Winds, becoming east around 5 Mph this late morning and afternoon.

Tonight 3 Jun Mercer

Mostly clear. Lows in the mid 50s. South Winds around 5 Mph.

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St Johns Temperature Statistics

June Temperature

Versailles Darke County Airport (14.3 miles)

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  • Average June

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Climate (2021–Present)

Versailles Darke County Airport (14.3 miles)

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  • Average Low 2021–2026

    43.3 °F
  • Average 2021–2026

    52.5 °F
  • Average High 2021–2026

    61.7 °F
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