Mount Isa Weather Forecast

Today 16 Sep
- 14
- 34
Sunny
Wed 17 Sep
- 18
- 35
Partly cloudy
Thu 18 Sep
- 20
- 35
Partly cloudy
Fri 19 Sep
- 20
- 35
Partly cloudy
Sat 20 Sep
- 20
- 34
Partly cloudy
Sun 21 Sep
- 15
- 31
Mostly sunny
Mon 22 Sep
- 13
- 31
Sunny

Today 16 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Wed 17 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Thu 18 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Fri 19 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sat 20 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Sun 21 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm
Mon 22 Sep
1. 1 am
2. 4 am
3. 7 am
4. 10 am
5. 1 pm
6. 4 pm
7. 7 pm
8. 10 pm

Today 16 Sep Mount Isa

Sunny. Light winds.

Mount Isa Temperature Statistics View More

September Temperature

Mount Isa Airport (5km)

Lowest 9 July, 2025
-1.4 °C
Average 2025
23 °C
Highest 11 January, 2025
44.4 °C
Lowest 4 August, 2025
-0.5 °C
Average August
18.4 °C
Highest 26 August, 2025
35.3 °C
Lowest 15 September, 2025
8.9 °C
Average September
22.1 °C
Highest 6 September, 2025
36.1 °C

Climate (2020–Present)

Mount Isa Airport (5km)

Take a look at our website widgetsAvailable free! Find Out More

Average Low 2020–2025
17.2 °C
Average 2020–2025
24.8 °C
Average High 2020–2025
32.8 °C

Get WillyWeather+ to remove ads