Myponga Beach Weather Forecast

    • 14
    • 23

    Partly cloudy

    • 12
    • 21

    Cloudy

    • 12
    • 19

    Cloudy

    • 11
    • 25

    Sunny

    • 14
    • 32

    Sunny

    • 19
    • 35

    Partly cloudy

    • 20
    • 30

    Partly cloudy

Today 13 Dec Mount Lofty Ranges

Slight chance of a shower in the morning and early afternoon. The chance of a thunderstorm in the morning. Mostly sunny afternoon. Winds south to southeasterly 20 to 30 km/h tending south to southwesterly in the late morning and afternoon. Overnight temperatures falling to between 13 and 16 with daytime temperatures reaching 21 to 29.

Investigator Strait Coastal Waters

Wind
Southerly 15 to 25 knots, reaching up to 30 knots early in the morning. Winds turning southwesterly 15 to 20 knots in the late afternoon.
Seas
1 to 2 metres, decreasing to 1 to 1.5 metres during the morning.
1st Swell
West to southwesterly below 1 metre.
Weather
The chance of a thunderstorm in the early morning. Mostly sunny day.
Weather Situation
A trough will move eastwards to clear South East coastal waters during Friday evening. A slow moving broad high pressure system in the Indian Ocean will then build a ridge across coastal waters on Saturday and establish itself south of the Bight on Sunday and Monday. The high is forecast to move east into the Tasman Sea on Tuesday while maintaining a ridge over coastal waters.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Myponga Beach Temperature Statistics View More

December Temperature

Parawa West (Second Valley Forest) (23km)

  • Lowest 7 December, 2025

    7.1 °C

  • Average December

    15.6 °C

  • Highest 3 December, 2025

    27.6 °C

Climate (2020–Present)

Parawa West (Second Valley Forest) (23km)

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  • Average Low 2020–2025

    10.4 °C

  • Average 2020–2025

    13.4 °C

  • Average High 2020–2025

    17.5 °C
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