Mill Stream Entrance Weather Forecast

    • 19
    • 23

    Shower or two. Storm

    • 17
    • 26

    Shower or two. Possible storm

    • 19
    • 31

    Shower or two. Becoming windy

    • 18
    • 22

    Cloudy

    • 18
    • 23

    Cloudy

    • 18
    • 26

    Partly cloudy

    • 17
    • 29

    Mostly sunny

Today 12 Dec Sydney

Partly cloudy. Medium chance of showers, becoming less likely later this evening. A thunderstorm likely, possibly severe with heavy rain which may lead to flash flooding early this evening. Winds easterly 15 to 25 km/h becoming light in the late evening.

Sydney Enclosed Waters

Sydney Harbour, Pittwater and Botany Bay
Wind
Easterly 10 to 15 knots turning northeasterly in the late afternoon.
Seas
Below 0.5 metres.
Weather
Partly cloudy. 50% chance of showers. A thunderstorm likely.
Weather Situation
Winds will tend east to northeasterly from today as a high pressure system gradually drifts into the Tasman Sea, with winds turning northerly over the weekend. The next southerly change is overnight Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Mill Stream Entrance Temperature Statistics View More

December Temperature

Sydney Airport (2km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    22.8 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (2km)

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  • Average Low 2020–2025

    14.8 °C

  • Average 2020–2025

    18.6 °C

  • Average High 2020–2025

    23.3 °C
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