Narellan Weather Forecast
- 14
- 23
Shower or two
- 15
- 29
Partly cloudy
- 16
- 32
Showers developing
- 17
- 23
Shower or two
- 10
- 24
Possible shower
- 9
- 25
Partly cloudy
- 10
- 25
Mostly sunny
Today 23 Oct Sydney
Partly cloudy. High chance of showers, most likely in the morning and afternoon. The chance of a thunderstorm in the afternoon. Winds northeasterly 15 to 25 km/h becoming light in the early morning then becoming northeasterly 20 to 30 km/h in the morning.
Narellan Temperature Statistics View More
October Temperature
Campbelltown (Mount Annan) (4 km)
Lowest 15 October, 2026
6.9 °CAverage October
17.3 °CHighest 12 October, 2026
34.2 °C
Climate (2021–2026)
Campbelltown (Mount Annan) (4 km)
Average Low 2021–2026
11.2 °CAverage 2021–2026
16.8 °CAverage High 2021–2026
24.1 °C