Casterton Weather Forecast

Today 10 May
- 9
- 17
Cloudy
Mon 11 May
- 6
- 19
Mostly sunny
Tue 12 May
- 5
- 22
Mostly sunny
Wed 13 May
- 9
- 22
Partly cloudy
Thu 14 May
- 11
- 21
Partly cloudy
Fri 15 May
- 11
- 20
Showers
Sat 16 May
- 12
- 18
Showers

Today 10 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 11 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 12 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
Wed 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

Today 10 May South West

Cloudy. Winds southeasterly 15 to 20 km/h becoming light in the evening. Daytime maximum temperatures around 17.

Casterton Temperature Statistics View More

May Temperature

Casterton (5km)

Lowest 18 April, 2026
1.2 °C
Average 2026
17.2 °C
Highest 27 January, 2026
44.7 °C
Lowest 18 April, 2026
1.2 °C
Average April
14.7 °C
Highest 22 April, 2026
28.6 °C
Lowest 7 May, 2026
2.6 °C
Average May
13.9 °C
Highest 1 May, 2026
27.9 °C

Climate (2021–Present)

Casterton (5km)

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Average Low 2021–2026
8.4 °C
Average 2021–2026
13.6 °C
Average High 2021–2026
19.8 °C

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