Williamstown Weather Forecast

Today 16 Dec
- 25
- 41
Partly cloudy
Wed 17 Dec
- 29
- 40
Possible storm
Thu 18 Dec
- 21
- 33
Sunny
Fri 19 Dec
- 16
- 32
Mostly sunny
Sat 20 Dec
- 20
- 34
Possible afternoon storm
Sun 21 Dec
- 13
- 29
Sunny
Mon 22 Dec
- 15
- 32
Sunny

Today 16 Dec
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 17 Dec
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 18 Dec
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 19 Dec
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 20 Dec
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 21 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Mon 22 Dec
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm

Today 16 Dec Kalgoorlie

Partly cloudy. Winds easterly 15 to 25 km/h tending northeasterly 20 to 30 km/h before dawn then tending northerly 15 to 25 km/h in the morning.

Williamstown Temperature Statistics View More

December Temperature

Kalgoorlie-Boulder Airport (5km)

Lowest 11 July, 2025
-0.5 °C
Average 2025
19.3 °C
Highest 9 February, 2025
46.4 °C
Lowest 2 November, 2025
8 °C
Average November
20.2 °C
Highest 27 November, 2025
34.5 °C
Lowest 13 December, 2025
14.3 °C
Average December
26.3 °C
Highest 2 December, 2025
39.9 °C

Climate (2020–Present)

Kalgoorlie-Boulder Airport (5km)

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Average Low 2020–2025
12.6 °C
Average 2020–2025
19.1 °C
Average High 2020–2025
26.1 °C

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