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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Data Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for Pennington today, then plan accordingly — this Adelaide suburb typically enjoys a Mediterranean climate with warm, dry summers and mild, wet winters, so layering is key for changeable spring and autumn days.
What defines Pennington’s weather pattern?
Pennington sits on the Adelaide Plains, about eight kilometres from the coast, so its weather is strongly influenced by the Gulf St Vincent. Summer heat often mixes with afternoon sea breezes, which can drop temperatures by several degrees in the afternoon. Winter brings persistent fronts and cloud, with most rain falling between May and August. You’ll rarely see frost here, even on cool winter mornings, thanks to the moderating effect of the nearby ocean and urban heat.
How do seasons affect your day in Pennington?
Summer (December–February) sees maximums frequently above 30°C, but the sea breeze usually arrives by mid-afternoon, making outdoor activity comfortable near the coast. Heatwaves can push temperatures into the low 40s, so check the severe weather advice when they occur. Autumn and spring are transitional — warm, sunny days can follow chilly mornings. Winter maximums hover around 15–16°C, and overnight lows rarely dip below 6°C. Rain gear is useful from June to August, but heavy downpours are uncommon.
Does Pennington get strong sea breezes?
Yes, afternoon sea breezes from the Gulf St Vincent are common in summer and early autumn. They can drop temperatures by 5–8°C in an hour, which is welcome on hot days but can gust enough to affect light outdoor furniture.
When is the wettest part of the year?
June and July are the wettest months, each averaging around 60–70 mm of rain. Showers are often light and steady rather than intense, and thunderstorms are rare compared to eastern Australian capitals.
Should I worry about bushfires in Pennington?
Pennington is urban, so direct bushfire risk is low, but surrounding grassland and scrub can burn on extreme days. Check the Fire Danger Rating and keep an eye on severe weather warnings during summer.
For broader coverage, visit our Australia weather hub or the Adelaide weather page.