Steep Island Weather Forecast

    • 21
    • 22

    Partly cloudy

    • 21
    • 22

    Sunny

    • 21
    • 22

    Partly cloudy

    • 21
    • 22

    Sunny

    • 20
    • 21

    Shower

    • 20
    • 21

    Partly cloudy

    • 21
    • 21

    Partly cloudy

Today 13 Sep Capricornia

Partly cloudy. The chance of fog in the southwest in the early morning. Slight chance of a shower near the coast in the morning and afternoon. Near zero chance of rain elsewhere. Winds southeasterly 15 to 20 km/h tending easterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Overnight temperatures falling to between 9 and 15 with daytime temperatures reaching the mid to high 20s.

Mackay Costal Waters

Bowen to St Lawrence
Wind
Southeasterly 15 to 20 knots, reaching up to 25 knots offshore north of Hamilton Island in the evening.
Seas
1 to 1.5 metres, increasing to 1.5 to 2 metres offshore north of Hamilton Island.
1st Swell
Easterly around 1 metre offshore.
Weather
Partly cloudy.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Steep Island Temperature Statistics View More

September Temperature

Middle Percy Island (45km)

  • Lowest 1 September, 2026

    16.8 °C

  • Average September

    20 °C

  • Highest 5 September, 2026

    24.8 °C

Climate (2021–2026)

Middle Percy Island (45km)

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  • Average Low 2021–2026

    20.7 °C

  • Average 2021–2026

    22.6 °C

  • Average High 2021–2026

    25.5 °C
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