Stephenston Weather Forecast

Today 18 Sep
- 6
- 26
Partly cloudy
Fri 19 Sep
- 11
- 24
Partly cloudy
Sat 20 Sep
- 8
- 17
Cloudy
Sun 21 Sep
- 6
- 20
Cloudy
Mon 22 Sep
- 8
- 19
Partly cloudy
Tue 23 Sep
- 5
- 19
Partly cloudy
Wed 24 Sep
- 5
- 22
Sunny

Today 18 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Fri 19 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sat 20 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sun 21 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Mon 22 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Tue 23 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Wed 24 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm

Today 18 Sep Flinders

Mostly clear. The chance of a thunderstorm north of Hawker in the late afternoon and evening. Winds north to northeasterly 15 to 25 km/h.

Stephenston Temperature Statistics View More

September Temperature

Port Augusta Airport (48km)

Lowest 27 August, 2025
-2.2 °C
Average 2025
18.8 °C
Highest 12 February, 2025
46 °C
Lowest 27 August, 2025
-2.2 °C
Average August
13.1 °C
Highest 25 August, 2025
26.8 °C
Lowest 17 September, 2025
7.4 °C
Average September
15.6 °C
Highest 15 September, 2025
30.7 °C

Climate (2020–Present)

Port Augusta Airport (48km)

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Average Low 2020–2025
12.4 °C
Average 2020–2025
18.8 °C
Average High 2020–2025
26.2 °C

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