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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 for St Arnaud East before heading out, as conditions in the Wimmera can shift quickly with cold fronts from the Great Australian Bight.
What is the typical weather pattern for St Arnaud?
St Arnaud experiences a temperate climate with warm summers and cool, damp winters, strongly influenced by inland systems and occasional southerly changes.
- Summer (Dec–Feb): Average maxima around 28–30°C, but can exceed 40°C during heatwaves. Hot, dry northerly winds often precede a cool change.
- Winter (Jun–Aug): Daytime highs average 12–14°C, with overnight lows often dropping to 3–5°C. Frost is common in the surrounding farmland.
- Rainfall is spread fairly evenly, with a slight winter-spring peak. Annual average is about 500–550 mm.
- Spring and autumn are transitional, offering mild days and crisp nights, ideal for exploring the St Arnaud Range.
How reliable are weather forecasts for St Arnaud?
Forecasts are generally reliable for the next 48 hours, but accuracy drops beyond three days due to the region’s variable frontal activity. For the most up-to-date information, combine the live forecast above with radar data.
- The Bureau of Meteorology provides the official forecast, including fire danger ratings in summer.
- St Arnaud weather radar coverage is best from the Yarrawonga and Longerenong radars, though neither covers the town directly — expect some gaps in light precipitation detection.
- For agricultural planning, many locals cross-check elders weather st arnaud for longer-range trends and soil moisture estimates.
Does St Arnaud get severe storms?
Yes. Thunderstorms are most common from October to March, sometimes bringing damaging winds, large hail, and flash flooding. Always check Severe Weather Warning alerts from the Bureau of Meteorology during spring and summer.
How does St Arnaud weather compare with melbourne weather?
St Arnaud is generally drier and hotter in summer than Melbourne, and colder in winter. It lacks the moderating effect of Port Phillip Bay, so overnight temperatures drop more sharply, especially in the cooler months.
What is the best time to visit St Arnaud?
Autumn (March to May) and spring (September to November) offer the most comfortable conditions for outdoor activities, with mild temperatures and lower fire risk. Winter can be cold but is great for clear, still mornings in the national park.
For broader regional conditions, see Australia weather hub or check Melbourne Weather. If you are planning a move, st arnaud real estate listings often note the local climate as a key consideration for buyers. For comparison, mildura weather is typically much hotter and drier than St Arnaud.