Second Valley Weather Forecast

    • 18
    • 36

    Sunny

    • 16
    • 24

    Partly cloudy

    • 12
    • 20

    Partly cloudy

    • 13
    • 21

    Shower

    • 11
    • 20

    Cloudy

    • 11
    • 19

    Cloudy

    • 11
    • 20

    Cloudy

Today 18 Dec Mount Lofty Ranges

Sunny. Winds north to northwesterly 25 to 35 km/h tending northwest to southwesterly in the middle of the day then tending southeast to southwesterly 15 to 20 km/h in the evening. Daytime maximum temperatures around 40.

Extreme Fire Danger Rating

Take action now to protect life and property

Investigator Strait Coastal Waters

Wind
East to northeasterly 10 to 15 knots tending northwest to southwesterly in the middle of the day then becoming variable about 10 knots in the evening.
Seas
Below 1 metre.
1st Swell
West to southwesterly below 1 metre.
Weather
Sunny.
Weather Situation
A ridge of high pressure extends across most of SA, as a trough of low pressure develops over the west today. This broad area of low pressure is expected to slowly move across the state from the west during Friday and Saturday, before another ridge of high pressure develops through the west and south on Sunday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Second Valley Temperature Statistics View More

December Temperature

Parawa West (Second Valley Forest) (8km)

  • Lowest 7 December, 2025

    7.1 °C

  • Average December

    15.5 °C

  • Highest 12 December, 2025

    32.9 °C

Climate (2020–Present)

Parawa West (Second Valley Forest) (8km)

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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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