South West Arm Creek Entrance Weather Forecast

    • 18
    • 24

    Shower or two. Possible storm

    • 20
    • 29

    Possible shower

    • 18
    • 20

    Cloudy

    • 18
    • 20

    Cloudy

    • 18
    • 24

    Partly cloudy

    • 18
    • 27

    Sunny

    • 19
    • 29

    Mostly sunny

Today 13 Dec Sydney

Partly cloudy. The chance of fog in the west in the early morning. High chance of showers, and the chance of a thunderstorm, most likely in the late afternoon and evening. Winds east to northeasterly 15 to 25 km/h then becoming light in the late evening.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
North to northwesterly about 10 knots tending north to northeasterly 15 to 20 knots in the middle of the day.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the afternoon.
1st Swell
Easterly 1.5 metres, decreasing to around 1 metre around midday.
Weather
Partly cloudy. 50% chance of showers. The chance of a thunderstorm during this afternoon and evening.
Weather Situation
Northeasterly winds are being generated by a coastal trough along the north coast and a ridge of high pressure extending across the south. A cold front is forecast to move up the coast as a southerly change late Sunday into Monday behind which a new ridge of high pressure settled is forecast to settle bringing southeasterly winds through mid week.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

South West Arm Creek Entrance Temperature Statistics View More

December Temperature

Sydney Airport (16km)

  • Lowest 2 December, 2025

    13.4 °C

  • Average December

    22.6 °C

  • Highest 6 December, 2025

    39.2 °C

Climate (2020–Present)

Sydney Airport (16km)

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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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