Iona Weather Forecast
- 10
- 24
Shower or two
- 10
- 19
Possible morning shower
- 5
- 22
Becoming cloudy
- 7
- 19
Cloudy
- 7
- 23
Cloudy
- 6
- 23
Sunny
- 7
- 28
Partly cloudy
Today 7 Sep Hunter
Partly cloudy. The chance of fog in the early morning. Medium chance of showers about the Lower Hunter, slight chance elsewhere. Light winds becoming northwest to southwesterly 15 to 20 km/h in the late afternoon then tending southeast to southwesterly in the evening. Overnight temperatures falling to between 6 and 11 with daytime temperatures reaching the low to mid 20s.
Iona Temperature Statistics View More
September Temperature
Tocal (3km)
Lowest 1 September, 2026
5.6 °CAverage September
19.4 °CHighest 5 September, 2026
32.3 °C
Climate (2021–2026)
Tocal (3km)
Average Low 2021–2026
12.7 °CAverage 2021–2026
18.1 °CAverage High 2021–2026
24.7 °C