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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Watch Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above before heading out – Pennington’s weather today will determine whether you need a jacket or sunscreen. This Adelaide suburb follows a classic Mediterranean pattern, meaning warm, dry summers and mild, wet winters, so planning ahead is straightforward.
What’s the typical weather pattern for Pennington?
Pennington sits on the Adelaide plains, so its climate is shaped by the nearby Gulf St Vincent. Summers (December–February) average around 28°C, with occasional heatwaves pushing past 40°C. Winters (June–August) are cool and damp, with daytime highs near 15°C and most of the annual 450 mm of rain falling between May and September. The live forecast above shows exactly where we are in that cycle today.
How should you prepare for Pennington’s weather?
For summer, carry water and sun protection – the northerly winds can make it feel hotter. In winter, a rain jacket and layers are wise, especially when cold fronts sweep across the region. Thunderstorms are rare but possible in spring and autumn. If a severe weather warning is issued, check the details on our Severe Weather Warning page and refer to the live forecast above for updates.
When is the best time of year to visit Pennington?
Spring (September–November) and autumn (March–May) offer mild days around 22°C and lower rainfall, making them ideal for outdoor activities without the extremes of summer or winter.
Does Pennington ever get extreme heat?
Yes – during summer, heatwaves can push temperatures above 40°C for consecutive days. Check the live forecast above and stay hydrated; the Adelaide Weather page provides broader regional context.
Is Pennington prone to storms or flooding?
Thunderstorms are uncommon but can occur in spring and autumn. Heavy rain may cause localised flooding on low-lying streets, particularly along the Torrens River catchment. The Bureau of Meteorology issues warnings when needed.
For a broader view of conditions across the country, visit our Australia Weather hub. If you’re travelling further afield, our Adelaide Weather page covers the wider region around Pennington.