Outer Sister Island Weather Forecast

Today 18 Sep
- 12
- 14
Partly cloudy
Fri 19 Sep
- 13
- 14
Shower
Sat 20 Sep
- 10
- 12
Windy
Sun 21 Sep
- 12
- 13
Shower
Mon 22 Sep
- 11
- 12
Shower
Tue 23 Sep
- 10
- 13
Windy
Wed 24 Sep
- 12
- 13
Shower

Today 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
Tue 23 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 24 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 18 Sep Furneaux Islands

Partly cloudy. Winds northwesterly 15 to 25 km/h tending northerly 20 to 30 km/h in the evening.

Outer Sister Island Temperature Statistics View More

September Temperature

Flinders Island Airport (48km)

Lowest 18 May, 2025
-1.3 °C
Average 2025
14.5 °C
Highest 27 January, 2025
34.7 °C
Lowest 18 August, 2025
-1.2 °C
Average August
10.5 °C
Highest 15 August, 2025
17.7 °C
Lowest 6 September, 2025
0.8 °C
Average September
12 °C
Highest 15 September, 2025
22.5 °C

Climate (2020–Present)

Flinders Island Airport (48km)

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Average Low 2020–2025
10.4 °C
Average 2020–2025
14.3 °C
Average High 2020–2025
18.3 °C

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