Siam Weather Forecast

    • 20
    • 38

    Shower

    • 20
    • 28

    Rain

    • 14
    • 29

    Partly cloudy

    • 17
    • 30

    Cloudy

    • 16
    • 29

    Windy

    • 17
    • 31

    Partly cloudy

    • 19
    • 33

    Shower

Today 21 Feb North West Pastoral

Partly cloudy. High chance of showers in the far west, slight chance elsewhere. The chance of a thunderstorm in the afternoon and evening, possibly severe with heavy rain which may lead to flash flooding in the far west. Winds southeasterly 20 to 30 km/h tending northeast to southeasterly in the morning. Overnight temperatures falling to 20 to 27 with daytime temperatures reaching 34 to 40.

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  • Temperature Forecast Bureau of Meteorology

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Siam Temperature Statistics View More

February Temperature

Whyalla Airport (94km)

  • Lowest 3 February, 2026

    10.8 °C
  • Average February

    23.9 °C
  • Highest 11 February, 2026

    39.2 °C

Climate (2021–Present)

Whyalla Airport (94km)

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  • Average Low 2021–2026

    11.9 °C
  • Average 2021–2026

    17.5 °C
  • Average High 2021–2026

    23.8 °C
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