Grantville Weather Forecast

    • 6
    • 18

    Sunny

    • 8
    • 20

    Mostly sunny

    • 10
    • 18

    Showers

    • 9
    • 17

    Showers increasing

    • 7
    • 15

    Possible shower

    • 8
    • 16

    Possible shower

    • 7
    • 16

    Partly cloudy

Today 17 Aug Central

Mostly sunny. Winds northeast to southeasterly 15 to 20 km/h becoming light in the middle of the day. Daytime maximum temperatures between 15 and 18.

Western Port Local Waters

Wind
Variable below 10 knots.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
A high pressure system centred over Tasmania will move over the Tasman Sea during today. An associated ridge south of Victoria will also move eastwards over the Tasman Sea. A low pressure trough will move across SA on Tuesday and early Wednesday then will slip to the south of Victoria during Wednesday then a weak high pressure ridge will move over the state on Thursday.
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  • Temperature Forecast Bureau of Meteorology

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Grantville Temperature Statistics View More

August Temperature

Rhyll (20km)

  • Lowest 1 August, 2026

    5.1 °C

  • Average August

    11.2 °C

  • Highest 8 August, 2026

    16.5 °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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