Portsea Weather Forecast

Today 13 May
- 11
- 18
Partly cloudy
Thu 14 May
- 10
- 20
Partly cloudy
Fri 15 May
- 12
- 20
Partly cloudy
Sat 16 May
- 14
- 21
Shower
Sun 17 May
- 13
- 20
Shower
Mon 18 May
- 13
- 19
Shower
Tue 19 May
- 12
- 18
Shower

Today 13 May
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 14 May
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 15 May
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 16 May
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 17 May
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 18 May
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 19 May
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 13 May Mornington Peninsula

Clear. Light winds becoming easterly 15 to 20 km/h in the evening.

Portsea Temperature Statistics View More

May Temperature

Avalon Airport (39km)

Lowest 19 April, 2026
2.6 °C
Average 2026
17.8 °C
Highest 9 January, 2026
44.2 °C
Lowest 19 April, 2026
2.6 °C
Average April
15.8 °C
Highest 22 April, 2026
29.1 °C
Lowest 11 May, 2026
5.3 °C
Average May
14.2 °C
Highest 1 May, 2026
29.3 °C

Climate (2021–Present)

Avalon Airport (39km)

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Average Low 2021–2026
9.7 °C
Average 2021–2026
14.6 °C
Average High 2021–2026
20.6 °C

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