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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia 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 ·
Guilderton’s weather today, as shown in the live forecast above, is shaped by its coastal position at the mouth of the Moore River. Expect a mild, sea-breeze-driven day with a top around the low-to-mid twenties Celsius, typical for this time of year.
What makes Guilderton’s weather different from Perth?
Guilderton sits about 130 kilometres north of Perth, and its coastal exposure means it often runs a couple of degrees cooler than the city, especially in summer afternoons when the sea breeze kicks in. The Moore River estuary can also create localised fog or cloud on calm mornings. For a broader picture of conditions across the state, check our Perth weather page.
How does the wind affect Guilderton?
Wind is a defining feature here, particularly from spring through autumn. The afternoon south-westerly sea breeze, known locally as the “Fremantle Doctor”, often reaches 20–30 km/h. This makes Guilderton a popular spot for wind-based activities, but it can also make beach conditions choppy. For detailed wind readings, the guilderton wind data on the Bureau’s site is your best bet.
What is the best time of year to visit Guilderton?
Late autumn (April–May) and early spring (September–October) offer the most comfortable conditions: mild days, lighter winds, and fewer crowds. Summer can be hot inland but is often tempered by the sea breeze near the coast.
Where can I find a Guilderton weather 14-day forecast?
For a reliable guilderton weather 14 days outlook, the Bureau of Meteorology provides a seven-day forecast; extended 14-day predictions are available from Weatherzone and Elders Weather, though accuracy decreases beyond a week.
Does the Moore River affect local weather?
Yes. The Moore River weather 14 day forecast often shows slightly cooler morning minima than nearby coastal spots, as the river valley can trap cold air overnight. In summer, the estuary can also generate local afternoon thunderstorms if conditions are right.