Portsea Weather Forecast

Today 25 Aug
- 5
- 17
Shower
Tue 26 Aug
- 11
- 17
Windy
Wed 27 Aug
- 9
- 15
Shower
Thu 28 Aug
- 7
- 13
Shower
Fri 29 Aug
- 7
- 13
Shower
Sat 30 Aug
- 6
- 13
Shower
Sun 31 Aug
- 7
- 15
Shower

Today 25 Aug
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 26 Aug
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 27 Aug
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 28 Aug
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 29 Aug
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 30 Aug
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 31 Aug
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 25 Aug Mornington Peninsula

Cloudy. Slight chance of a shower, most likely later tonight. Winds northerly 20 to 30 km/h increasing to 25 to 35 km/h in the late evening.

Portsea Temperature Statistics View More

August Temperature

Avalon Airport (39km)

Lowest 20 August, 2025
-1.4 °C
Average 2025
14.8 °C
Highest 27 January, 2025
42.1 °C
Lowest 21 July, 2025
-0.1 °C
Average July
9.8 °C
Highest 12 July, 2025
17.9 °C
Lowest 20 August, 2025
-1.4 °C
Average August
8.7 °C
Highest 22 August, 2025
20.9 °C

Climate (2020–Present)

Avalon Airport (39km)

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Average Low 2020–2025
9.7 °C
Average 2020–2025
14.5 °C
Average High 2020–2025
20.4 °C

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