Half Moon Bay Weather Forecast

Today 19 Jan
- 17
- 29
Partly cloudy
Tue 20 Jan
- 16
- 27
Mostly sunny
Wed 21 Jan
- 16
- 24
Partly cloudy
Thu 22 Jan
- 15
- 20
Partly cloudy
Fri 23 Jan
- 14
- 24
Cloud clearing
Sat 24 Jan
- 16
- 35
Partly cloudy
Sun 25 Jan
- 17
- 24
Partly cloudy

Today 19 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 20 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Wed 21 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Thu 22 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Fri 23 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sat 24 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Sun 25 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm

Today 19 Jan Geelong and Surf Coast

Partly cloudy. The chance of a thunderstorm during this afternoon and evening. Winds easterly 20 to 30 km/h.

Port Phillip Local Waters

Wind: East to southeasterly 15 to 20 knots.

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

Weather: Partly cloudy.

Half Moon Bay Temperature Statistics View More

January Temperature

Avalon Airport (23km)

Lowest 5 January, 2026
9.8 °C
Average 2026
19.5 °C
Highest 9 January, 2026
44.2 °C
Lowest 7 December, 2025
6.6 °C
Average December
16.9 °C
Highest 18 December, 2025
39.5 °C
Lowest 5 January, 2026
9.8 °C
Average January
19.5 °C
Highest 9 January, 2026
44.2 °C

Climate (2021–Present)

Avalon Airport (23km)

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Average Low 2021–2026
9.7 °C
Average 2021–2026
14.5 °C
Average High 2021–2026
20.4 °C

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