Katanning Weather Forecast

    • 14
    • 37

    Possible storm

    • 23
    • 39

    Partly cloudy

    • 19
    • 38

    Mostly sunny

    • 16
    • 30

    Cloud clearing

    • 13
    • 28

    Cloud clearing

    • 13
    • 32

    Partly cloudy

    • 15
    • 26

    Partly cloudy

Today 14 Dec Great Southern

Partly cloudy. Medium chance of showers in the northwest, slight chance elsewhere. The chance of a thunderstorm, possibly severe with damaging winds, large hail and heavy rain which may lead to flash flooding in the northwest. Winds east to northeasterly 20 to 30 km/h decreasing to 15 to 20 km/h in the late evening.

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Katanning Temperature Statistics View More

December Temperature

Katanning Research Station (4km)

  • Lowest 6 December, 2025

    8.9 °C

  • Average December

    20 °C

  • Highest 1 December, 2025

    37.4 °C

Climate (2020–Present)

Katanning Research Station (4km)

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  • Average Low 2020–2025

    9.8 °C

  • Average 2020–2025

    15.4 °C

  • Average High 2020–2025

    22.6 °C
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