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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Down Under Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Smithfield Plains, on Adelaide’s northern plains, will see conditions as shown in the live forecast above – expect a mild day with partly cloudy skies and light south-westerly winds, typical of early autumn in this inland suburb near the Gawler River.
What is the typical weather for Smithfield Plains?
Smithfield Plains sits about 35 kilometres north of the Adelaide city centre, on the edge of the Mount Lofty Ranges foothills. Summers are hot and dry, often exceeding 35°C, while winters are cool and damp with overnight lows around 6°C. The suburb’s inland position means it can be a few degrees warmer than coastal Adelaide during the day, but clearer nights allow for cooler mornings.
How does Smithfield Plains compare with nearby areas?
Compared with the Adelaide coast, Smithfield Plains tends to be drier and less breezy, but it can experience more dramatic temperature swings. The suburb’s weather is heavily influenced by cold fronts sweeping across South Australia from the west. For a broader picture of conditions across the state, check our Australia weather hub or the Adelaide Weather page.
Does Smithfield Plains get very hot in summer?
Yes, summer temperatures frequently exceed 35°C, especially during northerly winds. The suburb’s inland location means it heats up quicker than coastal suburbs, but a sea breeze can arrive by late afternoon.
When is the wettest time of year in Smithfield Plains?
Winter (June–August) is the wettest period, with about 50 mm of rain per month. Showers are usually light to moderate, brought by fronts crossing the state. Spring and autumn see less rainfall.
Is Smithfield Plains affected by severe weather?
Occasionally, the area can see severe thunderstorms in spring and summer, bringing heavy rain, hail, or damaging winds. For alerts, see the Severe Weather Warning page.