Second Creek Entrance Weather Forecast

    • 7
    • 26

    Mostly sunny

    • 9
    • 23

    Possible late shower

    • 9
    • 17

    Shower or two

    • 8
    • 20

    Shower or two

    • 9
    • 19

    Possible morning shower

    • 5
    • 18

    Partly cloudy

    • 5
    • 21

    Cloud clearing

Today 18 Sep Mid North

Mostly sunny. Winds north to northeasterly 15 to 25 km/h tending north to northwesterly 20 to 30 km/h in the late morning. Daytime maximum temperatures in the low to mid 20s.

Spencer Gulf Coastal Waters

Wind
Northerly 15 to 20 knots shifting west to southwesterly 10 to 15 knots in the late afternoon.
Seas
Below 1 metre, increasing to 1 to 1.5 metres during the morning, then decreasing to 1 metre by early evening.
1st Swell
South to southwesterly 1 to 1.5 metres, decreasing to around 1 metre around midday.
Weather
Mostly sunny.
Weather Situation
A high pressure system lies over NSW with a ridge extending into the east of the state. A weak trough will move over South Australian waters later today, settling over the far northeast tonight before clearing on Friday. A cold front will pass over the south during Friday afternoon with a southwesterly flow persisting through the weekend as a ridge of high pressure extends over northern parts of the state.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Second Creek Entrance Temperature Statistics View More

September Temperature

Whyalla Airport (40km)

  • Lowest 1 September, 2025

    2.8 °C
  • Average September

    15.3 °C
  • Highest 6 September, 2025

    33.8 °C

Climate (2020–Present)

Whyalla Airport (40km)

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  • Average Low 2020–2025

    11.9 °C
  • Average 2020–2025

    17.5 °C
  • Average High 2020–2025

    23.8 °C
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