Grantham Island Weather Forecast

    • 12
    • 21

    Partly cloudy

    • 10
    • 23

    Cloud clearing

    • 13
    • 32

    Mostly sunny

    • 17
    • 26

    Partly cloudy

    • 12
    • 24

    Mostly sunny

    • 12
    • 23

    Partly cloudy

    • 12
    • 23

    Mostly sunny

Today 1 Dec Port Lincoln

Partly cloudy. Slight chance of a shower this morning. Winds southwesterly 25 to 40 km/h becoming light in the late evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 25 knots, reaching up to 30 knots during the day.
Seas
1.5 to 2.5 metres.
1st Swell
South to southwesterly around 1 metre, increasing to 1 to 2 metres south of Cowell to Wallaroo.
Weather
Partly cloudy.
Weather Situation
A high pressure system centred over waters south of WA extends a ridge over South Australia. The high pressure system is expected to slowly move over SA during Tuesday. A low pressure trough will then move across SA during Wednesday and Thursday.
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  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Grantham Island Temperature Statistics View More

December Temperature

Port Lincoln Airport (19km)

  • Lowest

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  • Average December

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Climate (2020–Present)

Port Lincoln Airport (19km)

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  • Average Low 2020–2025

    11.4 °C

  • Average 2020–2025

    15.7 °C

  • Average High 2020–2025

    21.3 °C
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