Casterton Weather Forecast

Today 14 Sep
- 10
- 18
Showers
Tue 15 Sep
- 6
- 14
Partly cloudy
Wed 16 Sep
- 6
- 14
Cloudy
Thu 17 Sep
- 4
- 17
Cloudy
Fri 18 Sep
- 5
- 21
Sunny
Sat 19 Sep
- 10
- 25
Sunny
Sun 20 Sep
- 12
- 21
Shower or two

Today 14 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 15 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 16 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
Thu 17 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 18 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 19 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 20 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 14 Sep South West

Cloudy. High chance of showers in the south, medium chance elsewhere. Winds westerly 15 to 25 km/h. Daytime maximum temperatures around 17.

Casterton Temperature Statistics View More

September Temperature

Casterton (5km)

Lowest 7 July, 2026
-1.8 °C
Average 2026
13.8 °C
Highest 27 January, 2026
44.7 °C
Lowest 1 August, 2026
-1.3 °C
Average August
10.1 °C
Highest 31 August, 2026
19.3 °C
Lowest 8 September, 2026
-1 °C
Average September
11.2 °C
Highest 12 September, 2026
21.1 °C

Climate (2021–2026)

Casterton (5km)

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Average Low 2021–2026
8.5 °C
Average 2021–2026
13.6 °C
Average High 2021–2026
19.8 °C

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