Cardiff Weather Forecast

    • 13
    • 29

    Late shower or two

    • 10
    • 18

    Partly cloudy

    • 8
    • 20

    Partly cloudy

    • 5
    • 26

    Sunny

    • 8
    • 29

    Sunny

    • 9
    • 31

    Sunny

    • 12
    • 29

    Becoming cloudy

Today 15 Sep Newcastle

Sunny morning. Medium chance of showers in the evening. The chance of a thunderstorm in the afternoon and evening. Light winds becoming west to northwesterly 20 to 30 km/h in the morning then shifting south to southeasterly 25 to 35 km/h in the middle of the day.

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  • Temperature Forecast Bureau of Meteorology

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Cardiff Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (13km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17.2 °C

  • Highest 5 September, 2026

    30.2 °C

Climate (2021–2026)

Newcastle (Nobbys) (13km)

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  • Average Low 2021–2026

    15.5 °C

  • Average 2021–2026

    18.6 °C

  • Average High 2021–2026

    22.4 °C
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