Mid-spring · Weather & things to do
Blue Mountains in October
Blue Mountains warms up: highs climb to 66°F (19°C), from 59°F in September, with lows of 43°F (6°C) and about 2.2 in (56 mm) of rain.
At 89/100 for comfort (2nd of 12), it's one of the best months to visit.

- Avg high
- 66°F (19°C)
- Avg low
- 43°F (6°C)
- Rain
- 2.2 in (56 mm)
- Humidity
- 63%
- Cloud cover
- 57%
- Daylight
- ~12 h 52 min
- Comfort score
- 89/100 · Great
What October feels like
Days are mild at around 66°F (19°C): comfortable for walking all day, with a layer for the evening.
There's a big swing between day and night, about 13°C (23°F), so mornings and evenings feel much cooler than the afternoon.
Rain is moderate at about 2.2 in (56 mm) for the month.
Plan around October
October is one of Blue Mountains's best months on the climate data.
- Comfort improves from 86/100 in September to 89/100.
- October sits inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
What to pack for October
- A warm layer for eveningsnights drop to 43°F
- Comfortable walking shoesmost places below are best reached on foot or with short walks
What to do in Blue Mountains in October
October is good outdoor weather here, so these picks lean toward the open air.
Grand Canyon Track
6 km loop near Blackheath descending into a fern-lined slot canyon.
Why now October scores 89/100 for comfort, good conditions for being outside.
Three Sisters
Three sandstone pillars above the Jamison Valley, seen from Echo Point Lookout.
Why now Highs near 66°F and 2.2 in of monthly rain make this an easy outdoor pick.
Zig Zag Railway
Heritage steam and diesel trains running down the 1860s zig-zag line from Clarence near Lithgow, with sandstone cuttings and viaducts.
Why now One to do outside while the weather is on your side.
Scenic World
Steep railway, cable car and skyway over the Jamison Valley, with rainforest boardwalks.
Leura Gourmet
Cafe and deli on Leura Mall with a back dining room that looks out over the Jamison Valley.
Nearby in October
- Sydney in October~53 mi · highs 70°F, 2.5 in rain · 2°C (4°F) warmer by day, about as wet
NASA POWER 2001–2025 monthly averages on a ~50 km grid, temperatures adjusted from the grid cell's ~875 m to Blue Mountains's ~1,022 m elevation (standard lapse rate). Comfort scores weigh temperature, rain, humidity and cloud: see how we score each month. Check a forecast before you go.
Blue Mountains in October: quick answers
Is October a good time to visit Blue Mountains?
Yes. On the climate data it's one of the best months, scoring 89/100. Expect highs of 66°F (19°C) and 2.2 in (56 mm) of rain. October is inside the May – Oct window our Sydney, Blue Mountains & the Reef route recommends.
How hot is Blue Mountains in October?
Average highs are 66°F (19°C) and average lows 43°F (6°C), making it the 6th-warmest month by daytime highs.
Does it rain a lot in Blue Mountains in October?
Not much: about 2.2 in (56 mm) of rain falls across October on average, the 6th-driest month of the year. The annual total is about 29.5 in (749 mm).
What should I pack for Blue Mountains in October?
Bring a warm layer for evenings (nights drop to 43°F) and comfortable walking shoes (most places below are best reached on foot or with short walks).
More on Blue Mountains
Routes in season in October
- Sydney, Blue Mountains & the Reef May – Oct
Planning Blue Mountains in October?
Share this October plan with your group, poll everyone on dates and keep the packing list in one place.





