Hawkesbury River - Gloucester Reach Weather Forecast

Today 16 Dec
- 17
- 23
Cloudy
Wed 17 Dec
- 18
- 31
Partly cloudy
Thu 18 Dec
- 17
- 39
Sunny
Fri 19 Dec
- 23
- 40
Sunny morning. Possible storm
Sat 20 Dec
- 22
- 35
Shower or two. Possible storm
Sun 21 Dec
- 22
- 38
Possible shower or storm
Mon 22 Dec
- 21
- 35
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
8. 11 pm

Today 16 Dec Sydney

Cloudy. Winds easterly 15 to 20 km/h.

Hawkesbury River - Gloucester Reach Temperature Statistics View More

December Temperature

Richmond RAAF Base (19km)

Lowest 20 July, 2025
-1.3 °C
Average 2025
17.8 °C
Highest 28 January, 2025
42.5 °C
Lowest 12 November, 2025
5.4 °C
Average November
21.3 °C
Highest 25 November, 2025
36.9 °C
Lowest 2 December, 2025
9.6 °C
Average December
22.8 °C
Highest 6 December, 2025
41.7 °C

Climate (2020–Present)

Richmond RAAF Base (19km)

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Average Low 2020–2025
11.6 °C
Average 2020–2025
17.4 °C
Average High 2020–2025
24.5 °C

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