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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Coast Pulse Hub 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 today’s heat and humidity against the live forecast above, then plan outdoor activity for early morning or late evening when temperatures drop below 33°C and the seabreeze settles.
What makes Karratha’s climate so extreme?
Karratha sits in the Pilbara, where the Indian Ocean moderates summer heat but humidity often tops 60%.
– Summer (Dec–Feb) average max: 36°C; overnight lows rarely below 26°C.
– Winter (Jun–Aug) average max: 26°C; nights can dip to 14°C – bring a light jacket.
– Most rainfall falls between January and March from tropical lows; check the severe weather warning page for cyclone alerts.
– The Bureau of Meteorology is the primary source for karratha weather bom data and official warnings.
What is the best source for a 10‑day or 14‑day outlook?
For karratha weather 10 days or a karratha weather 14 day glance, the live forecast above is updated hourly from the Bureau’s numerical model.
– A 10‑day outlook is reliable for trend (e.g. a heatwave arriving), but day‑to‑day accuracy drops after day 7.
– The karratha weather radar on the BOM site shows real‑time rain and storm movement – especially useful during the wet season.
– For karratha weather yearly averages, BOM’s climate data shows 280 mm annual rainfall and 340 sunny days.
– Monthly breakdowns (karratha weather monthly) help travellers decide: April to October is the most comfortable window.
Does Karratha have a wet season?
Yes – the wet season runs from November to March, driven by monsoonal troughs and occasional cyclones. Most rain falls in short, heavy bursts; January and February are the peak.
What is the coldest it gets in Karratha?
The coldest winter nights can drop to 10°C, but daytime temperatures still reach 23–26°C. Freezing temperatures are unknown; the record low is about 6°C.
Is the karratha weather hourly forecast accurate?
The live forecast above, fed by BOM’s ACCESS model, gives reliable hour‑by‑hour guidance for the next 48 hours. Beyond that, a trend is fine but specific hour‑level accuracy drops.
For broader conditions across Australia, visit our Australia weather hub or check Perth Weather for a similar coastal climate further south.