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Live forecasts update automatically; written guidance last reviewed 23 June 2026 by the Australian News Desk 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 before heading out in Katoomba – mountain weather can change fast. The Blue Mountains town is often much cooler than Sydney, so layering is your friend whatever the season.
What will the weather in Katoomba be like today?
The live forecast above gives you the current conditions and the outlook for today. Katoomba sits at around 1,000 metres elevation, so expect a crisp feel even when the coast is warm. Fog and light drizzle can roll in quickly, especially in the morning, and afternoon winds often pick up along the escarpment.
What about the rest of the week?
You can scroll through the live forecast above to see the 7 day weather forecast Katoomba, or toggle through the 10 day, 14 day, 21 day and 28 day weather forecast Katoomba options. These longer-range views help you plan walks, a weekend getaway or a visit to the Three Sisters. The BOM Katoomba forecast is also a reliable short-term check, while AccuWeather Katoomba offers an alternative hourly breakdown. For tomorrow’s plans, glance at the weather in Katoomba tomorrow panel – it usually appears just below the main forecast.
Is Katoomba always colder than Sydney?
Usually, yes. The altitude drops temperatures by roughly 6.5°C per 1,000 metres. So when Sydney hits 30°C, Katoomba often sits around 23°C. Overnight the difference can be even greater, especially in winter.
Does it snow in Katoomba?
Light snow falls most winters, but heavy dumps are rare. You’ll more often see sleet or frost. The live forecast above will show if conditions are cold enough for possible snow showers – watch for a freezing low.
When is the best time to visit Katoomba?
Spring (September–November) and autumn (March–May) offer mild days and clearer views. Summer is pleasant but can bring thunderstorms, while winter offers crisp air and occasional snow dustings on the higher trails.
Sources
For the broader picture, visit our Australia weather hub or check Sydney weather to compare conditions. If storms are forecast, see our severe weather warning page.