Portsea Weather Forecast

Today 25 Aug
- 10
- 14
Shower
Wed 26 Aug
- 10
- 14
Partly cloudy
Thu 27 Aug
- 8
- 15
Partly cloudy
Fri 28 Aug
- 9
- 15
Shower
Sat 29 Aug
- 8
- 14
Cloudy
Sun 30 Aug
- 9
- 14
Cloudy
Mon 31 Aug
- 8
- 17
Cloudy

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
Wed 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
Thu 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
Fri 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
Sat 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
Sun 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
Mon 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

Partly cloudy. Slight chance of a shower, most likely later this evening. Light winds becoming southwesterly 15 to 25 km/h in the evening.

Portsea Temperature Statistics View More

August Temperature

Avalon Airport (39km)

Lowest 10 July, 2026
-1 °C
Average 2026
14.9 °C
Highest 9 January, 2026
44.2 °C
Lowest 10 July, 2026
-1 °C
Average July
9.6 °C
Highest 1 July, 2026
17.7 °C
Lowest 1 August, 2026
-0.7 °C
Average August
10.8 °C
Highest 18 August, 2026
19.8 °C

Climate (2021–2026)

Avalon Airport (39km)

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Average Low 2021–2026
9.8 °C
Average 2021–2026
14.6 °C
Average High 2021–2026
20.6 °C

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