Thelma Head Weather Forecast

    • 18
    • 25

    Showers

    • 18
    • 25

    Shower or two

    • 18
    • 25

    Shower or two

    • 18
    • 25

    Possible shower

    • 18
    • 25

    Mostly sunny

    • 17
    • 26

    Shower or two

    • 15
    • 20

    Shower or two

Today 21 Mar Sydney

Partly cloudy. High chance of showers. The chance of a thunderstorm during the morning and afternoon. Light winds becoming southeasterly 15 to 20 km/h in the late afternoon then becoming light in the evening.

Illawarra Coastal Waters

Port Hacking to Ulladulla
Wind
Variable about 10 knots becoming southeasterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre.
1st Swell
Southerly below 1 metre.
Weather
Partly cloudy. 80% chance of showers. The chance of a thunderstorm during the morning and afternoon.
Weather Situation
A weak ridge of high pressure is expected to maintain light to moderate winds from the northeast to southeast during the weekend, with periods of unsettled weather possible. Winds tend north to northeasterly across the southern coastal waters early next week, with fresher south to southeasterlies possible along the northern coastal waters associated with a low in the southern Coral Sea.
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  • Temperature Forecast Bureau of Meteorology

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Thelma Head Temperature Statistics View More

March Temperature

Bellambi (24km)

  • Lowest 14 March, 2026

    17.2 °C

  • Average March

    22 °C

  • Highest 17 March, 2026

    28.6 °C

Climate (2021–Present)

Bellambi (24km)

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  • Average Low 2021–2026

    15.1 °C

  • Average 2021–2026

    18.1 °C

  • Average High 2021–2026

    21.8 °C
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