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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australia Watch Weather Desk. Data from the Bureau of Meteorology (BOM) and other national met services via Open-Meteo.
Live data from Open-Meteo · updates automatically ·
Use the live forecast above to plan your day in the Hawkesbury region. The area’s weather is shaped by its position between the coast and the Blue Mountains, meaning conditions can shift quickly, especially with summer storms or winter fog.
What makes Hawkesbury weather different?
The Hawkesbury region sits in a transitional zone. Closer to the coast, you get milder conditions influenced by ocean breezes, but further west around Richmond and Penrith, summer heat builds more intensely. In winter, valley fog is common, particularly in the early morning, and can linger into the afternoon. This is why checking the Australia weather hub for local details matters more than relying on a general forecast for Sydney.
What should I watch for?
Summer thunderstorms are a key feature, often developing in the afternoon after a hot day. The Sydney weather radar is useful here, but for finer detail, use the Hawkesbury weather radar link in the live forecast above. During cooler months, fog and frost are the main concerns, especially for drivers around Windsor and Katoomba. For a longer view, the Hawkesbury weather 14 day forecast helps you plan around these patterns.
How does this compare to nearby areas?
The Hawkesbury is often warmer than both Perth weather and Brisbane weather in summer, but cooler than Adelaide weather in winter. If you are moving between the city and the mountains—for instance, checking Katoomba weather or Wollongong weather—expect temperature drops of 5–10°C as you climb.
Why does the Hawkesbury feel so humid in summer?
Moist air from the coast moves up the river valley, combining with inland heat. This creates a muggy feel, especially in the afternoon before a storm develops. The humidity often peaks around 3–5pm.
Is the Penrith forecast the same as the Hawkesbury forecast?
Generally similar for temperature, but Penrith is often 1–2°C hotter than areas closer to the river. For precise conditions, check the Hawkesbury weather hourly view in the live forecast above, which accounts for local river effects.
When is the best time to visit the Hawkesbury for clear skies?
Autumn (March–May) offers the most stable weather, with warm days and low humidity. Winter mornings are often foggy, while spring brings gusty winds that can affect outdoor plans.