St Johns Weather Forecast

    • 33
    • 67

    Mostly Sunny

    • 42
    • 57

    Mostly Cloudy

    • 40
    • 61

    Rain Likely

    • 34
    • 56

    Chance Rain

    • 22
    • 41

    Slight Chance Rain

Today 5 Nov Mercer

Mostly sunny. Highs in the upper 60s. West Winds around 20 Mph with Gusts up to 35 Mph.

Tonight 5 Nov Mercer

Clear, cooler with Lows in the lower 30s. Northwest Winds 15 to 20 Mph with Gusts up to 30 Mph, becoming west 5 to 10 Mph with Gusts up to 20 Mph this late evening and early Morning, then Diminishing to around 5 Mph late.

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St Johns Temperature Statistics

November Temperature

Versailles Darke County Airport (14.3 miles)

  • Lowest 1 November, 2025

    35.6 °F

  • Average November

    44.7 °F

  • Highest 3 November, 2025

    59 °F

Climate (2020–Present)

Versailles Darke County Airport (14.3 miles)

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  • Average Low 2020–2025

    43.4 °F

  • Average 2020–2025

    52.4 °F

  • Average High 2020–2025

    61.5 °F
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