Penneshaw Weather Forecast

Today 11 Dec
- 14
- 23
Sunny
Fri 12 Dec
- 15
- 32
Partly cloudy
Sat 13 Dec
- 13
- 21
Partly cloudy
Sun 14 Dec
- 12
- 20
Cloudy
Mon 15 Dec
- 12
- 19
Cloudy
Tue 16 Dec
- 12
- 21
Partly cloudy
Wed 17 Dec
- 13
- 31
Sunny

Today 11 Dec
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 12 Dec
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 13 Dec
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 14 Dec
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 15 Dec
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 16 Dec
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 Dec
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 11 Dec Kangaroo Island

Sunny. Winds southeasterly 20 to 30 km/h. Overnight temperatures falling to around 12 with daytime temperatures reaching 23 to 28.

Investigator Strait Coastal Waters

Wind: Southeasterly 15 to 20 knots, reaching up to 25 knots inshore early in the morning.

Seas: 1 to 2 metres, decreasing below 1.5 metres during the morning.

1st Swell: West to southwesterly below 1 metre.

Weather: Sunny.

Penneshaw Temperature Statistics View More

December Temperature

Cape Willoughby (22km)

Lowest 30 August, 2025
5.6 °C
Average 2025
15.7 °C
Highest 10 March, 2025
34.4 °C
Lowest 3 November, 2025
8.2 °C
Average November
14.6 °C
Highest 24 November, 2025
25.4 °C
Lowest 2 December, 2025
10.7 °C
Average December
16.8 °C
Highest 3 December, 2025
27.7 °C

Climate (2020–Present)

Cape Willoughby (22km)

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Average Low 2020–2025
13.3 °C
Average 2020–2025
15.3 °C
Average High 2020–2025
18.4 °C

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