Grantville Weather Forecast

    • 9
    • 23

    Partly cloudy

    • 12
    • 18

    Shower or two

    • 9
    • 14

    Showers. Windy

    • 7
    • 13

    Cloudy

    • 7
    • 15

    Cloudy

    • 5
    • 20

    Mostly sunny

    • 11
    • 23

    Sunny

Today 13 Sep Central

Partly cloudy. Slight chance of a shower. The chance of a thunderstorm about the ranges. Winds northerly 15 to 25 km/h.

Western Port Local Waters

Wind
Northerly about 10 knots.
Seas
Below 0.5 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system currently lies over the western Tasman Sea. A low pressure trough will move across Victoria during Sunday evening and Monday morning. A cold front will approach southwestern Victoria late Monday, crossing the State early Tuesday. A strong high pressure ridge pushes into western Victoria in its wake. The high pressure centre will cross Victoria during Thursday.
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Grantville Temperature Statistics View More

September Temperature

Rhyll (20km)

  • Lowest 8 September, 2026

    8 °C

  • Average September

    12.8 °C

  • Highest 1 September, 2026

    19.1 °C

Climate (2021–2026)

Rhyll (20km)

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  • Average Low 2021–2026

    12.2 °C

  • Average 2021–2026

    15.2 °C

  • Average High 2021–2026

    19.4 °C
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