Number One Rocks Weather Forecast

    • 14
    • 26

    Partly cloudy

    • 13
    • 21

    Shower

    • 11
    • 21

    Partly cloudy

    • 9
    • 22

    Partly cloudy

    • 11
    • 25

    Partly cloudy

    • 14
    • 26

    Sunny

    • 14
    • 26

    Partly cloudy

Today 25 Apr Lower South East

Becoming cloudy. Slight chance of a shower near the coast at night. Near zero chance of rain elsewhere. Winds northerly 25 to 35 km/h tending northwesterly 15 to 25 km/h in the early afternoon then becoming light in the evening. Overnight temperatures falling to around 13 with daytime temperatures reaching the high 20s.

Lower South East Coastal Waters

Cape Jaffa to SA-Vic Border
Wind
Northerly 15 to 20 knots turning west to northwesterly 10 to 15 knots in the early afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
1st Swell
Southwesterly 2 metres, increasing to 2 to 3 metres during the morning.
Weather
Becoming cloudy.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Number One Rocks Temperature Statistics View More

April Temperature

Mount Gambier Airport (40km)

  • Lowest 18 April, 2026

    3 °C

  • Average April

    14.5 °C

  • Highest 23 April, 2026

    27.6 °C

Climate (2021–Present)

Mount Gambier Airport (40km)

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  • Average Low 2021–2026

    8.8 °C

  • Average 2021–2026

    13.7 °C

  • Average High 2021–2026

    20 °C
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