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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Oz Monitorly Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Check the live forecast above for Winthrop’s current conditions and the next few hours; the numbers will tell you whether to plan for a clear morning or a chance of showers, as this inland town sits in a rain-shadow zone near the Stirling Range.
What is the typical weather pattern for Winthrop?
Winthrop’s climate is Mediterranean, with dry, warm summers and cool, wet winters. Daytime highs in January often reach 29–33°C, while July maximums hover around 15–17°C. Overnight lows can drop to 5–8°C in winter. Rainfall is strongly seasonal: most of the annual 450–550 mm falls between May and September. For those checking winthrop weather hourly, afternoon sea breezes from the south-west can bring a sharp temperature drop, especially in summer.
How does Winthrop’s weather compare to nearby Perth?
Winthrop is generally 1–3°C cooler than the Perth metro area on summer afternoons due to its slightly higher elevation and proximity to the coast. Winter nights are also chillier, with frost possible a few times a year. If you are looking at weather in winthrop washington 10 days, note that this is a different Winthrop (in Western Australia); the local radar shows isolated showers moving in from the south-west more often than in the city. For a broader view, our Perth Weather page provides regional context.
When is the best time to visit Winthrop for fine weather?
Late spring (October to November) and early autumn (March to April) offer the most reliable fine days, with daytime temperatures between 20–26°C and lower rainfall. For winthrop weather october, expect warm, sunny afternoons and cool nights—ideal for outdoor activities.
Does Winthrop get thunderstorms?
Yes, but they are infrequent. Thunderstorms occur mainly in late spring and early summer, often triggered by troughs moving inland. The winthrop weather radar can help track approaching cells, which typically arrive from the south-east.
How accurate are 30-day forecasts for Winthrop?
Long-range outlooks for winthrop wa weather 30 day are useful for trends (e.g., a drier or wetter month) but become unreliable beyond 7–10 days. For daily planning, rely on the live forecast above and the 7-day outlook from the Bureau of Meteorology.
For a state-wide overview, see our Australia weather hub, or check Adelaide Weather for comparisons with another southern city.