Nene Valley Weather Forecast

    • 7
    • 15

    Cloudy

    • 9
    • 16

    Shower

    • 9
    • 15

    Shower

    • 7
    • 13

    Shower

    • 9
    • 15

    Shower

    • 11
    • 15

    Shower

    • 7
    • 15

    Shower

Today 20 Jul Lower South East

Cloudy. The chance of morning fog near the eastern border. Winds northerly 15 to 20 km/h becoming light in the early afternoon. Daytime maximum temperatures around 16.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 15 to 20 knots.
Seas
Around 1 metre, increasing to 1 to 1.5 metres south of Beachport.
1st Swell
Southwesterly 2 to 2.5 metres.
Weather
Cloudy.
Weather Situation
A high pressure system over Victoria extends a ridge over South Australia, with the ridge expected to weaken during Tuesday. A trough will develop in the west on Tuesday, ahead of a cold front that is expected to extend over southern parts during Wednesday. Another ridge will extend over the west of the state later Wednesday, with a high centre expected to build over the Bight by Thursday evening.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Nene Valley Temperature Statistics View More

July Temperature

Mount Gambier Airport (35km)

  • Lowest 7 July, 2026

    -1.1 °C

  • Average July

    9.2 °C

  • Highest 1 July, 2026

    16.7 °C

Climate (2021–2026)

Mount Gambier Airport (35km)

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  • Average Low 2021–2026

    8.9 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20.1 °C
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