Cape Knob Weather Forecast
- 15
- 21
Mostly sunny
- 14
- 18
Windy. Partly cloudy
- 12
- 20
Partly cloudy
- 12
- 20
Partly cloudy
- 14
- 22
Cloudy
- 15
- 22
Cloud clearing
- 15
- 30
Sunny
Today 19 Dec South Coastal
Mostly sunny. The chance of a thunderstorm inland. Winds east to southeasterly 20 to 30 km/h becoming light in the late evening.
Albany Coastal Waters
Walpole to Bremer Bay- Wind
- Easterly 10 to 15 knots becoming variable about 10 knots in the evening then becoming west to southwesterly 10 to 15 knots in the late evening.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly around 1 metre inshore, increasing to 1 to 1.5 metres offshore.
- Weather
- Partly cloudy.
- Weather Situation
- A west coast trough will move to the Goldfields and inland Gascoyne on Saturday as a weak front brushes past the south coast. A ridge will then develop across much of southern WA on Sunday, pushing the trough further north. Another weak front will brush the south coast on Monday, followed by the west coast trough returning by Tuesday.
Cape Knob Temperature Statistics View More
December Temperature
Jacup (72km)
Lowest 6 December, 2025
6.5 °CAverage December
19.6 °CHighest 16 December, 2025
42.3 °C
Climate (2020–Present)
Jacup (72km)
Average Low 2020–2025
9.5 °CAverage 2020–2025
14.8 °CAverage High 2020–2025
22.4 °C