Williamstown Weather Forecast

Today 16 Sep
- 9
- 15
Partly cloudy
Wed 17 Sep
- 6
- 15
Partly cloudy
Thu 18 Sep
- 7
- 22
Partly cloudy
Fri 19 Sep
- 7
- 17
Showers increasing
Sat 20 Sep
- 7
- 13
Showers increasing
Sun 21 Sep
- 8
- 15
Shower or two
Mon 22 Sep
- 6
- 15
Partly cloudy

Today 16 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Wed 17 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Thu 18 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Fri 19 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sat 20 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Sun 21 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm
Mon 22 Sep
1. 12 am
2. 3 am
3. 6 am
4. 9 am
5. 12 pm
6. 3 pm
7. 6 pm
8. 9 pm

Today 16 Sep Adelaide

Partly cloudy. Slight chance of a shower, becoming less likely later this evening. Winds westerly 20 to 30 km/h.

Williamstown Temperature Statistics View More

September Temperature

Mount Crawford (Fire Tower) (7km)

Lowest 8 August, 2025
2.1 °C
Average 2025
14.1 °C
Highest 2 February, 2025
39.3 °C
Lowest 8 August, 2025
2.1 °C
Average August
8.8 °C
Highest 14 August, 2025
16.9 °C
Lowest 5 September, 2025
3.2 °C
Average September
10.7 °C
Highest 6 September, 2025
23.3 °C

Climate (2020–Present)

Mount Crawford (Fire Tower) (7km)

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Average Low 2020–2025
9.7 °C
Average 2020–2025
13.6 °C
Average High 2020–2025
19.2 °C

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