St Arnaud Weather Forecast

    • 3
    • 20

    Partly cloudy

    • 10
    • 21

    Shower

    • 5
    • 13

    Cloudy

    • 6
    • 17

    Shower

    • 7
    • 14

    Shower

    • 2
    • 17

    Cloudy

    • 7
    • 19

    Cloudy

Today 18 Sep Wimmera

Mostly sunny. The chance of frost in the east early this morning. Slight chance of a shower in the southwest later tonight. Near zero chance of rain elsewhere. Winds north to northeasterly 15 to 25 km/h turning northwesterly 25 to 35 km/h in the middle of the day then tending northerly 15 to 25 km/h in the late afternoon. Daytime maximum temperatures in the low 20s.

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St Arnaud Temperature Statistics View More

September Temperature

Charlton (37km)

  • Lowest 5 September, 2025

    -1.6 °C

  • Average September

    11.1 °C

  • Highest 15 September, 2025

    26.1 °C

Climate (2020–Present)

Charlton (37km)

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  • Average Low 2020–2025

    9 °C

  • Average 2020–2025

    15.5 °C

  • Average High 2020–2025

    22.8 °C
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