Boston Weather Forecast

    • 14
    • 21

    Cloudy

    • 10
    • 15

    Cloudy

    • 9
    • 18

    Sunny

    • 10
    • 23

    Sunny

    • 14
    • 27

    Cloudy

    • 13
    • 23

    Possible shower

    • 13
    • 19

    Partly cloudy

Today 20 Sep Port Lincoln

Cloudy. Medium chance of showers. Winds westerly 25 to 35 km/h tending southwesterly 15 to 25 km/h in the evening.

Spencer Gulf Coastal Waters

Wind
Southwesterly 15 to 20 knots, reaching up to 25 knots north of Cowell to Wallaroo in the evening.
Seas
1 to 1.5 metres.
1st Swell
South to southwesterly around 1 metre.
Weather
Partly cloudy.
Weather Situation
A trough and cold front will move to the east of SA later Sunday. A high pressure system will move eastwards across waters to the south during Monday then over Victoria and the Tasman Sea on Tuesday. This high will extend a ridge westwards over SA ahead of a low pressure trough that is expected to move over the far west of SA during Wednesday. The trough will slip southeastwards over the Bight during Thursday.
Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Boston Temperature Statistics View More

September Temperature

Port Lincoln Airport (6km)

  • Lowest 18 September, 2026

    3.3 °C

  • Average September

    13.8 °C

  • Highest 4 September, 2026

    25.1 °C

Climate (2021–2026)

Port Lincoln Airport (6km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2021–2026

    11.5 °C

  • Average 2021–2026

    15.8 °C

  • Average High 2021–2026

    21.3 °C
Get WillyWeather+ to remove ads