Greenwich Weather Forecast

    • 19
    • 30

    Shower or two. Becoming windy

    • 18
    • 22

    Shower or two

    • 17
    • 22

    Cloudy

    • 17
    • 25

    Partly cloudy

    • 17
    • 28

    Sunny

    • 18
    • 31

    Sunny

    • 21
    • 31

    Shower or two

Today 14 Dec Sydney

Partly cloudy. High chance of showers, most likely in the early morning. The chance of a thunderstorm in the early morning. Light winds becoming northwest to southwesterly 20 to 30 km/h in the morning then tending southerly 35 to 55 km/h in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
West to northwesterly about 10 knots tending northwest to northeasterly 15 to 20 knots in the early afternoon then tending southerly 20 to 30 knots in the late evening.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 70% chance of showers. The chance of a thunderstorm in the early morning.
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  • Temperature Forecast Bureau of Meteorology

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Greenwich Temperature Statistics View More

December Temperature

Sydney (Observatory Hill) (3km)

  • Lowest 2 December, 2025

    13.3 °C

  • Average December

    22.1 °C

  • Highest 5 December, 2025

    37.8 °C

Climate (2020–Present)

Sydney (Observatory Hill) (3km)

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  • Average Low 2020–2025

    14.7 °C

  • Average 2020–2025

    18.3 °C

  • Average High 2020–2025

    23.4 °C
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