St Johns Weather Forecast

    • 60
    • 92

    Slight Chance Thunderstorms

    • 61
    • 93

    Chance Thunderstorms

    • 60
    • 93

    Chance Thunderstorms

    • 61
    • 94

    Chance Thunderstorms

    • 61
    • 94

    Chance Thunderstorms

    • 60
    • 92

    Chance Thunderstorms

Today 18 Aug Little Colorado River Valley in Apache County

Mostly sunny in the morning. Partly cloudy with a 10 percent chance of Thunderstorms in the afternoon. Highs 88 to 94. Light Winds.

Tonight 18 Aug Little Colorado River Valley in Apache County

Mostly cloudy with a 10 percent chance of Thunderstorms in the evening. Partly cloudy after midnight. Lows around 61. Light Winds becoming south around 15 Mph late in the Evening, then becoming light after midnight.

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St Johns Temperature Statistics

August Temperature

St. Johns, St. Johns Industrial Airpark (0.6 miles)

  • Lowest 4 August, 2025

    52.6 °F

  • Average August

    77.7 °F

  • Highest 5 August, 2025

    97.6 °F

Climate (2020–Present)

St. Johns, St. Johns Industrial Airpark (0.6 miles)

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  • Average Low 2020–2025

    37.7 °F

  • Average 2020–2025

    54.1 °F

  • Average High 2020–2025

    70.2 °F
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