Portsea Weather Forecast

Today 24 Sep
- 9
- 22
Cloudy
Fri 25 Sep
- 14
- 20
Shower
Sat 26 Sep
- 11
- 15
Rain
Sun 27 Sep
- 9
- 15
Partly cloudy
Mon 28 Sep
- 8
- 16
Partly cloudy
Tue 29 Sep
- 10
- 21
Partly cloudy
Wed 30 Sep
- 14
- 20
Shower

Today 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
Fri 25 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 26 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 27 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 28 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 29 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 30 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 24 Sep Mornington Peninsula

Cloudy. Winds northerly 15 to 20 km/h becoming light in the late afternoon.

Portsea Temperature Statistics View More

September Temperature

Avalon Airport (39km)

Lowest 10 July, 2026
-1 °C
Average 2026
14.6 °C
Highest 9 January, 2026
44.2 °C
Lowest 1 August, 2026
-0.7 °C
Average August
10.9 °C
Highest 18 August, 2026
19.8 °C
Lowest 18 September, 2026
0.7 °C
Average September
12.5 °C
Highest 20 September, 2026
30.4 °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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