Hawkesbury River - Big Jims Point Weather Forecast

    • 15
    • 27

    Shower or two

    • 17
    • 33

    Shower or two

    • 16
    • 22

    Shower or two

    • 16
    • 22

    Cloudy

    • 15
    • 25

    Partly cloudy

    • 15
    • 29

    Sunny

    • 15
    • 32

    Mostly sunny

Today 13 Dec Central Coast

Partly cloudy. Medium chance of showers, most likely in the evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming east to northeasterly 15 to 25 km/h in the middle of the day then tending north to northeasterly 15 to 20 km/h in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable about 10 knots becoming northeasterly 15 to 20 knots in the middle of the day then becoming variable about 10 knots in the evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 60% chance of showers. The chance of a thunderstorm during this afternoon and early evening.
Weather Situation
Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending to the south. A cold front is forecast to cross Sydney during early Monday morning as a southerly change behind which a new ridge of high pressure is forecast to settle bringing southeasterly winds through mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Hawkesbury River - Big Jims Point Temperature Statistics View More

December Temperature

Mangrove Mountain (22km)

  • Lowest 2 December, 2025

    7.3 °C

  • Average December

    20.9 °C

  • Highest 6 December, 2025

    40.3 °C

Climate (2020–Present)

Mangrove Mountain (22km)

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  • Average Low 2020–2025

    11.2 °C

  • Average 2020–2025

    16.1 °C

  • Average High 2020–2025

    22.8 °C
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