St Helens Plains Weather Forecast

Today 16 Aug
- 3
- 12
Possible shower
Sun 17 Aug
- 3
- 11
Showers
Mon 18 Aug
- 2
- 14
Morning frost. Partly cloudy
Tue 19 Aug
- 1
- 14
Morning frost. Sunny
Wed 20 Aug
- 0
- 17
Morning frost. Sunny
Thu 21 Aug
- 4
- 18
Partly cloudy
Fri 22 Aug
- 7
- 18
Shower or two

Today 16 Aug
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 17 Aug
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 18 Aug
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 19 Aug
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 20 Aug
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 21 Aug
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 22 Aug
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 16 Aug Horsham

Partly cloudy. Medium chance of showers, most likely later tonight. Winds westerly 15 to 20 km/h becoming light in the evening.

St Helens Plains Temperature Statistics View More

August Temperature

Longerenong (14km)

Lowest 5 June, 2025
-3.8 °C
Average 2025
15.5 °C
Highest 2 February, 2025
42.5 °C
Lowest 3 July, 2025
-2.2 °C
Average July
8.4 °C
Highest 5 July, 2025
17.4 °C
Lowest 3 August, 2025
-2.5 °C
Average August
8.9 °C
Highest 4 August, 2025
18.1 °C

Climate (2020–Present)

Longerenong (14km)

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Average Low 2020–2025
8 °C
Average 2020–2025
14.7 °C
Average High 2020–2025
22.2 °C

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