Cape Northumberland Weather Forecast
- 10
- 16
Shower
- 6
- 18
Cloudy
- 7
- 24
Sunny
- 14
- 23
Shower
- 12
- 18
Shower
- 10
- 18
Shower
- 10
- 16
Shower
Today 6 Oct Lower South East
Partly cloudy. High chance of showers in the morning. Winds west to northwesterly 20 to 30 km/h turning south to southwesterly 25 to 35 km/h in the morning then becoming light in the evening. Overnight temperatures falling to around 8 with daytime temperatures reaching around 17.
Lower South East Coastal Waters
Cape Jaffa to SA-Vic Border- Wind
- Northwesterly 15 to 25 knots, reaching up to 30 knots south of Beachport during the early morning. Winds shifting south to southwesterly 20 to 25 knots in the morning and reaching up to 30 knots south of Beachport. Winds tending south to southwesterly and easing to 15 to 20 knots in the afternoon and tending southeasterly 10 to 15 knots in the evening.
- Seas
- 1 to 2 metres, decreasing to 1 metre by early evening.
- 1st Swell
- Southwesterly 3 metres, increasing to 3 to 4 metres during the morning.
- Weather
- Partly cloudy. 60% chance of showers in the early morning.
Cape Northumberland Temperature Statistics View More
October Temperature
Mount Gambier Airport (36 km)
Lowest 4 October, 2026
6 °CAverage October
12.1 °CHighest 4 October, 2026
17.2 °C
Climate (2021–2026)
Mount Gambier Airport (36 km)
Average Low 2021–2026
8.9 °CAverage 2021–2026
13.7 °CAverage High 2021–2026
20.1 °C