Hawkesbury River - Spencer Weather Forecast

    • 8
    • 23

    Sunny

    • 8
    • 27

    Late shower or two

    • 13
    • 22

    Sunny

    • 6
    • 22

    Mostly sunny

    • 8
    • 23

    Possible shower developing

    • 9
    • 18

    Shower or two

    • 7
    • 21

    Sunny

Today 18 Sep Central Coast

Sunny. Light winds becoming east to northeasterly 15 to 25 km/h in the early afternoon then tending north to northeasterly in the evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Variable below 10 knots becoming east to northeasterly 10 to 15 knots in the early afternoon then tending north to northeasterly 15 to 20 knots in the evening.
Seas
Below 0.5 metres.
Weather
Sunny.
Weather Situation
Southwesterly winds will persist over Sydney Waters this morning, in the wake of a cold front. Winds will tend northerly again and strengthen later today as a high pressure system drifts across the region. Winds will shift west to southwesterly again over the weekend as a stronger cold front moves over NSW coastal waters, with west to southwesterly winds persisting into early next week as a series of fronts brush the south of the state.
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  • Temperature Forecast Bureau of Meteorology

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Hawkesbury River - Spencer Temperature Statistics View More

September Temperature

Mangrove Mountain (21km)

  • Lowest 1 September, 2025

    2.8 °C

  • Average September

    14.5 °C

  • Highest 8 September, 2025

    27.8 °C

Climate (2020–Present)

Mangrove Mountain (21km)

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  • Average Low 2020–2025

    11.3 °C

  • Average 2020–2025

    16 °C

  • Average High 2020–2025

    22.6 °C
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