St Helens Plains Weather Forecast

    • 17
    • 30

    Mostly clear

    • 14
    • 31

    Mostly sunny

    • 15
    • 29

    Partly cloudy

    • 16
    • 29

    Showers increasing

    • 12
    • 19

    Shower or two

    • 9
    • 19

    Possible shower

    • 9
    • 21

    Sunny

Today 16 Apr Horsham

Mostly sunny, with occasional periods of high cloud. Light winds becoming northeasterly 15 to 20 km/h in the morning then becoming light in the middle of the day.

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St Helens Plains Temperature Statistics View More

April Temperature

Longerenong (14km)

  • Lowest 9 April, 2025

    3.8 °C

  • Average April

    17.1 °C

  • Highest 13 April, 2025

    33.3 °C

Climate (2020–Present)

Longerenong (14km)

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  • Average Low 2020–2025

    7.9 °C

  • Average 2020–2025

    14.6 °C

  • Average High 2020–2025

    22.1 °C
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