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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Focus Hub Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Old Reynella weather this afternoon is shown in the live forecast above, with conditions typical of Adelaide’s southern suburbs—mild winters and warm, dry summers influenced by Gulf St Vincent breezes.
What is the typical climate for Old Reynella?
Old Reynella sits in the City of Onkaparinga, about 25 kilometres south of the Adelaide city centre. Its Mediterranean climate means cool, wet winters and hot, dry summers, with most rain falling between May and September.
- Summer (December–February): average highs around 28–30°C, occasional heatwaves pushing past 40°C with north-easterly winds.
- Winter (June–August): daytime temperatures average 14–16°C, with overnight lows near 6–8°C and frequent cloud cover.
- Rainfall: annual average of about 450–500 mm; wettest months are June and July.
- Wind: afternoon sea breezes moderate summer heat; winter brings gusty north-westerlies ahead of cold fronts.
How does Old Reynella weather compare to nearby suburbs?
It is very similar to weather reynella east and central Reynella, though slightly cooler than northern Adelaide suburbs due to its coastal proximity. The Bureau of Meteorology’s Noarlunga station (about 5 km west) provides the closest official readings for bom old reynella forecasts.
- Morning fog is common in winter, especially near the Onkaparinga River valley.
- Summer thunderstorms are rare but can occur when a trough moves across the state.
- Fire danger days are a concern in summer; check the severe weather warning page for updates.
- For broader state conditions, see Adelaide weather or the national Australia weather hub.
Does Old Reynella get frost in winter?
Yes, light frost can occur on clear, calm winter mornings, particularly in low-lying areas near the Onkaparinga River. It is less severe than in the Adelaide Hills but can affect sensitive plants.
What is the best time of year to visit Old Reynella?
Spring (September–November) offers mild days around 20–24°C and lower rainfall, ideal for exploring the nearby Onkaparinga River National Park. Autumn is similarly pleasant with fewer crowds.
How reliable are seven-day forecasts for Old Reynella?
Forecasts beyond three days have moderate reliability due to the influence of changing sea breezes and troughs. Always check the BOM’s latest observations for the most accurate short-term outlook.