Merries Reef Weather Forecast

    • 15
    • 20

    Showers

    • 15
    • 21

    Shower or two

    • 16
    • 21

    Shower or two

    • 16
    • 22

    Shower or two

    • 16
    • 21

    Showers

    • 14
    • 19

    Shower or two

    • 14
    • 19

    Shower or two. Becoming windy

Today 15 May Sydney

Partly cloudy. High chance of showers. The chance of a thunderstorm in the late morning and afternoon. Light winds.

Sydney Coastal Waters

Broken Bay to Port Hacking
Wind
Easterly 10 to 15 knots becoming variable about 10 knots before dawn then becoming east to northeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Easterly around 1 metre, increasing to 1 to 1.5 metres around midday, then decreasing to around 1 metre by early evening.
Weather
Partly cloudy. 90% chance of showers. The chance of a thunderstorm.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Merries Reef Temperature Statistics View More

May Temperature

Sydney Airport (11km)

  • Lowest 8 May, 2026

    9.6 °C

  • Average May

    18 °C

  • Highest 3 May, 2026

    25.6 °C

Climate (2021–Present)

Sydney Airport (11km)

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  • Average Low 2021–2026

    14.8 °C

  • Average 2021–2026

    18.7 °C

  • Average High 2021–2026

    23.4 °C
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