Alton Weather Forecast

    • 12
    • 33

    Partly cloudy

    • 14
    • 32

    Partly cloudy

    • 13
    • 27

    Cloudy

    • 11
    • 29

    Sunny

    • 11
    • 31

    Sunny

    • 12
    • 33

    Sunny

    • 14
    • 32

    Partly cloudy

Today 27 Sep Darling Downs and Granite Belt

Mostly sunny. The chance of fog in the north early this morning. Medium chance of showers in the southeast during this afternoon and evening. Near zero chance of rain elsewhere. The chance of a thunderstorm in the southeast during this afternoon and evening. Light winds becoming southeasterly 15 to 20 km/h in the middle of the day then becoming light in the evening. Daytime maximum temperatures around 30.

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Alton Temperature Statistics View More

September Temperature

St George Airport (71km)

  • Lowest 18 September, 2026

    6.6 °C
  • Average September

    20.7 °C
  • Highest 22 September, 2026

    34.9 °C

Climate (2021–2026)

St George Airport (71km)

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  • Average Low 2021–2026

    14.5 °C
  • Average 2021–2026

    21 °C
  • Average High 2021–2026

    28.4 °C
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