Sleaford Weather Forecast

Today 15 Dec
- 12
- 21
Partly cloudy
Tue 16 Dec
- 11
- 28
Sunny
Wed 17 Dec
- 14
- 36
Sunny
Thu 18 Dec
- 17
- 38
Sunny
Fri 19 Dec
- 16
- 25
Partly cloudy
Sat 20 Dec
- 14
- 25
Partly cloudy
Sun 21 Dec
- 13
- 25
Partly cloudy

Today 15 Dec
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 16 Dec
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 17 Dec
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 18 Dec
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 19 Dec
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 20 Dec
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 21 Dec
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 15 Dec Port Lincoln

Partly cloudy. Winds southerly 20 to 25 km/h tending southeasterly 20 to 30 km/h before dawn.

Sleaford Temperature Statistics View More

December Temperature

Port Lincoln Airport (34km)

Lowest 14 August, 2025
2.7 °C
Average 2025
16.1 °C
Highest 15 March, 2025
43.2 °C
Lowest 10 November, 2025
7.1 °C
Average November
15.7 °C
Highest 24 November, 2025
31.5 °C
Lowest 7 December, 2025
8.1 °C
Average December
18.2 °C
Highest 3 December, 2025
35.3 °C

Climate (2020–Present)

Port Lincoln Airport (34km)

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Average Low 2020–2025
11.4 °C
Average 2020–2025
15.7 °C
Average High 2020–2025
21.3 °C

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