Cardiff Weather Forecast

Today 17 Aug
- 8
- 19
Possible shower
Tue 18 Aug
- 9
- 19
Shower or two
Wed 19 Aug
- 7
- 21
Partly cloudy
Thu 20 Aug
- 7
- 23
Partly cloudy
Fri 21 Aug
- 9
- 22
Shower or two
Sat 22 Aug
- 9
- 22
Shower or two
Sun 23 Aug
- 7
- 21
Partly cloudy

Today 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
Tue 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
Wed 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
Thu 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
Fri 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
Sat 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
Sun 23 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 17 Aug Newcastle

Partly cloudy. Medium chance of showers. Winds southeasterly 15 to 20 km/h becoming light in the evening.

Cardiff Temperature Statistics View More

August Temperature

Newcastle (Nobbys) (13km)

Lowest 25 July, 2026
5.4 °C
Average 2026
18.6 °C
Highest 10 January, 2026
36.9 °C
Lowest 25 July, 2026
5.4 °C
Average July
13.9 °C
Highest 2 July, 2026
21.8 °C
Lowest 8 August, 2026
6.5 °C
Average August
13.7 °C
Highest 11 August, 2026
21 °C

Climate (2021–2026)

Newcastle (Nobbys) (13km)

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Average Low 2021–2026
15.4 °C
Average 2021–2026
18.6 °C
Average High 2021–2026
22.4 °C

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