Gretna Weather Forecast

Today 15 Jan
- 13
- 21
Possible shower
Fri 16 Jan
- 11
- 20
Cloudy
Sat 17 Jan
- 11
- 21
Cloudy
Sun 18 Jan
- 12
- 22
Cloudy
Mon 19 Jan
- 13
- 24
Cloudy
Tue 20 Jan
- 13
- 27
Partly cloudy
Wed 21 Jan
- 11
- 27
Mostly sunny

Today 15 Jan
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 16 Jan
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 17 Jan
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 18 Jan
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 19 Jan
1. 2 am
2. 5 am
3. 8 am
4. 11 am
5. 2 pm
6. 5 pm
7. 8 pm
8. 11 pm
Tue 20 Jan
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 21 Jan
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 15 Jan New Norfolk

Cloudy. Medium chance of showers. Light winds becoming easterly 15 to 20 km/h in the early afternoon then becoming light in the late evening.

Gretna Temperature Statistics View More

January Temperature

Bushy Park (5km)

Lowest 12 January, 2026
5.2 °C
Average 2026
17.3 °C
Highest 7 January, 2026
33.9 °C
Lowest 10 December, 2025
2.4 °C
Average December
14.3 °C
Highest 29 December, 2025
30.1 °C
Lowest 12 January, 2026
5.2 °C
Average January
17.3 °C
Highest 7 January, 2026
33.9 °C

Climate (2021–Present)

Bushy Park (5km)

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Average Low 2021–2026
5.8 °C
Average 2021–2026
11.7 °C
Average High 2021–2026
18.7 °C

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