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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Pulse Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Saint Johns Park currently has the conditions shown in the live forecast above. Located in Sydney’s outer west, the suburb experiences a humid subtropical climate with warm summers and mild winters, so today’s weather fits the seasonal pattern.
What is the weather like in Saint Johns Park today?
The live forecast above gives the current temperature, humidity and wind for Saint Johns Park. In this part of Western Sydney, summer afternoons often reach the low 30s Celsius, while winter mornings can drop to single digits. The area receives most of its rain from late summer to early autumn, with occasional thunderstorms rolling in from the Blue Mountains.
How does Saint Johns Park’s climate compare to the rest of Sydney?
Saint Johns Park sits farther inland than the coast, so it tends to be a few degrees warmer in summer and cooler in winter. The suburb gets less coastal cloud cover, meaning clearer skies but also a higher risk of frost on calm winter nights. For a broader look at the region, see our Sydney Weather page.
Does Saint Johns Park get heatwaves?
Yes. Being inland, the suburb can experience several heatwave days each summer when temperatures climb above 35°C. The Bureau of Meteorology issues heatwave warnings, and you can check the latest on our Severe Weather Warning page.
When is the wettest month in Saint Johns Park?
The wettest period is usually February to March, when east coast lows can bring heavy rain. Annual rainfall averages around 800–900 millimetres, with February often receiving over 100 millimetres. The driest months are late winter and early spring.
Is Saint Johns Park windy?
Winds are generally light to moderate, with afternoon sea breezes occasionally reaching the suburb in summer. Stronger winds can occur during thunderstorms or cold fronts in winter, but it is not a particularly windy location compared to coastal Sydney.