Rosetown Weather Forecast

    • 9
    • 19

    Cloudy

    • 11
    • 23

    Partly cloudy

    • 12
    • 23

    Partly cloudy

    • 10
    • 22

    Shower

    • 8
    • 28

    Sunny

    • 11
    • 32

    Partly cloudy

    • 14
    • 24

    Partly cloudy

Today 7 Dec Lower South East

Partly cloudy. Winds southwesterly 15 to 20 km/h tending westerly 20 to 30 km/h in the morning then becoming light in the late evening. Daytime maximum temperatures between 18 and 21.

Upper South East Coastal Waters

Murray Mouth to Cape Jaffa
Wind
Southwesterly 10 to 15 knots becoming variable about 10 knots in the morning then becoming west to northwesterly 10 to 15 knots in the late evening.
Seas
Around 1 metre, decreasing below 0.5 metres around midday, then increasing to below 1 metre during the afternoon.
1st Swell
Southwesterly 2.5 to 3 metres.
Weather
Partly cloudy.
Weather Situation
A high pressure system is building west of the Bight. The high will move slowly eastwards today and early next week to be centred over the Tasman Sea by Monday. Another weak cold front clips the southeast late Monday, before another high pressure ridge develops south of the Bight on Tuesday. A trough of low pressure develops across the far north on Tuesday and Wednesday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Rosetown Temperature Statistics View More

December Temperature

Cape Jaffa (20km)

  • Lowest 1 December, 2025

    9.6 °C

  • Average December

    16.1 °C

  • Highest 3 December, 2025

    26.7 °C

Climate (2020–Present)

Cape Jaffa (20km)

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  • Average Low 2020–2025

    10.5 °C

  • Average 2020–2025

    14.4 °C

  • Average High 2020–2025

    19.2 °C
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