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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Cardiff, in the Lake Macquarie region, sees a mild and humid outlook today with the live forecast above showing a chance of afternoon showers. The coastal influence keeps temperatures steadier than inland spots, with a light north-easterly breeze.
What is driving Cardiff’s weather today?
The coastal trough is responsible for the cloud and humidity, typical for this time of year. Cardiff sits just west of the lake, meaning the sea breeze often moderates the heat, but can also feed into afternoon storms. Expect a high similar to the live forecast above, with a low around 18°C overnight.
What about the next few days?
The pattern holds steady into midweek with a mix of sun and cloud. The chance of a shower lingers, especially on Wednesday, before a drier south-westerly change moves through. Overnight lows stay mild, making for comfortable sleeping weather. For a broader look at conditions across the state, see our Queensland Weather page.
Does Cardiff get much rain in summer?
Summer in Cardiff is the wettest season, with frequent afternoon storms and occasional east-coast lows. January averages around 110 mm, but the lake can amplify local falls.
How does Cardiff compare to Newcastle?
Cardiff is slightly warmer than the coast on a calm day, but less exposed to the southerly swells that affect Merewether. It’s a classic inland valley microclimate.
What is the best time to visit Cardiff?
Autumn offers the most stable weather, with lower humidity and fewer storms. It is a good time for outdoor plans, with clear skies and mild days.