St Johns Weather Forecast

    • 4
    • 11

    Partly cloudy

    • 3
    • 13

    Partly cloudy

    • 5
    • 13

    Partly cloudy

    • 4
    • 13

    Partly cloudy

    • 6
    • 14

    Partly cloudy

    • 5
    • 15

    Possible shower

    • 6
    • 14

    Showers

Today 5 Jul Mount Lofty Ranges

Cloudy. Patchy morning fog in the north. Slight chance of a shower about the southern Fleurieu Peninsula early this morning. Near zero chance of rain elsewhere. Light winds becoming easterly 15 to 20 km/h in the morning then becoming light in the late afternoon. Daytime maximum temperatures between 10 and 13.

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St Johns Temperature Statistics View More

July Temperature

Nuriootpa (PIRSA Research Centre) (12km)

  • Lowest 4 July, 2026

    6.9 °C

  • Average July

    9.9 °C

  • Highest 1 July, 2026

    14.9 °C

Climate (2021–2026)

Nuriootpa (PIRSA Research Centre) (12km)

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  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    21.9 °C
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