Cape Jaffa Weather Forecast
- 11
- 20
Mostly sunny
- 13
- 20
Shower or two
- 11
- 18
Cloudy
- 12
- 21
Partly cloudy
- 13
- 20
Partly cloudy
- 11
- 21
Mostly sunny
- 10
- 23
Mostly sunny
Today 5 Dec Lower South East
Mostly sunny day. Slight chance of a shower in the evening. Light winds becoming west to southwesterly 15 to 25 km/h in the middle of the day then becoming light in the late evening. Daytime maximum temperatures 20 to 27.
Upper South East Coastal Waters
Murray Mouth to Cape Jaffa- Wind
- Variable below 10 knots becoming south to southwesterly 10 to 15 knots in the middle of the day then tending west to southwesterly in the late afternoon.
- Seas
- Below 1 metre.
- 1st Swell
- Southwesterly 2.5 to 3 metres.
- Weather
- Mostly sunny.
- Weather Situation
- A low pressure trough will linger over the northeast and far north today as a ridge of high pressure builds over the south. The trough will clear to the northeast of SA late Saturday. A weak cold front will move across the southern coastal districts on Saturday as the high centre becomes established over the western Bight. The high will move slowly eastwards on Sunday and early next week.
Cape Jaffa Temperature Statistics View More
December Temperature
Cape Jaffa (3km)
Lowest 1 December, 2025
9.6 °CAverage December
17.2 °CHighest 3 December, 2025
26.7 °C
Climate (2020–Present)
Cape Jaffa (3km)
Average Low 2020–2025
10.5 °CAverage 2020–2025
14.4 °CAverage High 2020–2025
19.2 °C