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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Southern Focus Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Check the live forecast above before heading out in Horsley Park — its inland western Sydney location means summer days can be several degrees hotter than the city centre, while winter mornings often bring patchy frost.
What makes Horsley Park’s weather distinct?
Horsley Park sits on the Cumberland Plain, roughly 35 kilometres west of the Sydney CBD. This inland position reduces coastal moderation, producing hotter summers, cooler winters, and more pronounced diurnal swings than coastal suburbs. The area receives around 800–900 mm of rain annually, with a slight summer-dominant pattern from afternoon thunderstorms.
- Summer maxima often exceed 30°C, with occasional runs above 40°C under westerly winds — far hotter than Sydney weather at the coast.
- Winter mornings can drop below 5°C, with radiation fog and frost common in low-lying paddocks.
- Rainfall is erratic; the horsley park weather station (Bureau of Meteorology site 67119) records real-time data used by local farmers and the horsley park weather radar (Terrey Hills) monitors approaching storms.
- The horsley park weather 14 day forecast is less reliable than a 7-day outlook due to the area’s convective summer storms breaking up predictability.
How does it compare to other western Sydney suburbs?
Horsley Park’s climate closely mirrors penrith weather — both sit on the plain and share similar extremes. The main difference is Horsley Park is slightly more elevated, which can shave a degree or two off overnight lows. For horsley park weather hourly updates, the BOM’s local observations give the most accurate snapshot for planning outdoor work or travel.
Is Horsley Park hotter than Parramatta?
Generally yes. Horsley Park is about 15 km further west and experiences less urban heat-island effect than Parramatta, but its summer maxima are typically 1–3°C higher due to greater distance from the coast. Winter minima are also lower.
When is the best time to visit Horsley Park?
Spring (September–November) offers mild days around 22–26°C with lower humidity than summer. Autumn (March–May) is also pleasant, though mornings can be cool. Avoid mid-summer afternoons if you are not used to heat.
Does Horsley Park get storms like Penrith?
Yes — western Sydney’s storm alley extends through Horsley Park, especially from November to February. The horsley park weather radar from Terrey Hills is the best tool for tracking approaching cells. Hail and damaging winds are possible a few times each summer.