Grattai Mountain Weather Forecast
- 9
- 23
Sunny
- 10
- 24
Sunny
- 11
- 26
Sunny
- 13
- 24
Partly cloudy
- 13
- 24
Partly cloudy
- 12
- 25
Shower
- 12
- 25
Partly cloudy
Today 30 Sep North West Slopes and Plains
Sunny. Winds east to northeasterly 15 to 20 km/h tending north to northeasterly 20 to 30 km/h in the morning then becoming light in the evening. Daytime maximum temperatures 24 to 29.
Grattai Mountain Temperature Statistics View More
September Temperature
Narrabri Airport (33km)
Lowest 20 September, 2026
3.5 °CAverage September
18 °CHighest 21 September, 2026
33.3 °C
Climate (2021–2026)
Narrabri Airport (33km)
Average Low 2021–2026
12.2 °CAverage 2021–2026
19.2 °CAverage High 2021–2026
26.9 °C