Brisbane Water - Rileys Island Weather Forecast

    • 21
    • 40

    Smoke. Possible storm

    • 19
    • 26

    Possible morning storm. Showers

    • 16
    • 26

    Possible shower

    • 17
    • 32

    Partly cloudy

    • 18
    • 27

    Shower or two

    • 17
    • 24

    Showers

    • 16
    • 24

    Showers

Today 6 Dec Central Coast

Partly cloudy. Patchy smoke haze. Slight chance of a shower during this afternoon and evening. The chance of a thunderstorm during this afternoon and early evening, possibly severe with damaging winds. Winds north to northwesterly 20 to 30 km/h.

Extreme Fire Danger Rating

Take action now to protect life and property

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Northwesterly 10 to 15 knots tending northerly in the middle of the day then turning west to northwesterly below 10 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. The chance of a thunderstorm during this afternoon and early evening.
Weather Situation
A high pressure system lies over the Tasman Sea, extending a ridge to the north. Northerly winds strengthening by the weekend ahead of a cold front crossing Sydney Waters early Sunday, bringing a fresh to strong southerly wind change in its wake.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Brisbane Water - Rileys Island Temperature Statistics View More

December Temperature

Mangrove Mountain (25km)

  • Lowest 2 December, 2025

    7.3 °C

  • Average December

    19.4 °C

  • Highest 4 December, 2025

    35.5 °C

Climate (2020–Present)

Mangrove Mountain (25km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    22.8 °C
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