Cardiff Weather Forecast

    • 6
    • 27

    Sunny

    • 10
    • 30

    Sunny

    • 11
    • 32

    Sunny

    • 13
    • 31

    Mostly sunny

    • 13
    • 21

    Shower or two

    • 13
    • 24

    Partly cloudy

    • 11
    • 27

    Mostly sunny

Today 18 Sep Newcastle

The chance of fog early this morning. Sunny afternoon. Light winds becoming east to northeasterly 15 to 20 km/h in the early afternoon then shifting west to northwesterly in the evening.

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Cardiff Temperature Statistics View More

September Temperature

Newcastle (Nobbys) (13km)

  • Lowest 9 September, 2026

    8.7 °C

  • Average September

    17 °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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