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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Aussie Brief Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Merriwa weather today, as shown in the live forecast above, is typical for the Upper Hunter. Expect warm to hot summers and cool winters with frosty mornings. Rainfall is spread year-round, often from thunderstorms in summer.
What’s the usual climate in Merriwa?
Merriwa, in the NSW Upper Hunter, has a temperate climate with four distinct seasons. Summer highs often reach the low 30s Celsius, while winter maximums sit around 15–17°C. Overnight frosts are common from June to August. Annual rainfall averages about 650 millimetres, with no strong wet season.
What’s the spring outlook for Merriwa?
Spring brings warming temperatures and increasing thunderstorm activity. Daytime highs climb from the low 20s in September to the high 20s by November. Rainfall is slightly above average in October and November. Check the live forecast above for current conditions and the 14-day outlook.
FAQ
Does Merriwa get snow?
Snow is extremely rare in Merriwa because of its low elevation (~300 metres). Heavy frost and occasional sleet can occur in winter, but significant snowfall only happens on nearby ranges such as the Liverpool Range.
What’s the best source for the Merriwa weather radar?
The Bureau of Meteorology’s Grafton radar (about 200 km north) covers the region, but its range is limited. Locally, check the Weatherzone radar for broader NSW coverage.
Is Merriwa windy?
Merriwa can be breezy, especially in spring and early summer when north-westerly winds pick up before a cold front. Average wind speeds are moderate, rarely reaching damaging levels unless a severe thunderstorm passes.
Sources
For other locations, see our Australia weather hub or check Gold Coast weather and Portland Vic weather. Stay up to date with severe weather warnings if storms are forecast.