Sun Island Weather Forecast

    • 17
    • 21

    Shower

    • 18
    • 21

    Shower

    • 17
    • 21

    Partly cloudy

    • 18
    • 21

    Partly cloudy

    • 18
    • 21

    Partly cloudy

    • 18
    • 21

    Partly cloudy

    • 18
    • 21

    Partly cloudy

Today 17 Aug Capricornia

Partly cloudy. Medium chance of showers, most likely in the late morning and afternoon. Winds southeasterly 15 to 20 km/h becoming light in the early morning then becoming east to southeasterly 20 to 30 km/h in the morning. Overnight temperatures falling to between 8 and 14 with daytime temperatures reaching the low to mid 20s.

Capricornia Coastal Waters

St Lawrence to Burnett Heads
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots south of Cape Capricorn during the day.
Seas
1.5 to 2 metres.
1st Swell
East to southeasterly 1 to 1.5 metres, increasing to 1 to 2 metres by early evening.
Weather
Partly cloudy. 80% chance of showers.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Sun Island Temperature Statistics View More

August Temperature

Williamson Airfield (18km)

  • Lowest 14 August, 2026

    4.6 °C

  • Average August

    18 °C

  • Highest 10 August, 2026

    28.9 °C

Climate (2021–2026)

Williamson Airfield (18km)

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  • Average Low 2021–2026

    17.5 °C

  • Average 2021–2026

    22.7 °C

  • Average High 2021–2026

    28.8 °C
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