Oldcastle Weather Forecast

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    Sunny day

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    Sunny day

    • 15
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    Sunny day

    • 17
    • 25

    Sunny day

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    Sunny day

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    Sunny day

Today 8 Jul Wales

After a fresh start, a fine day to come with plenty of lengthy spells of sunshine, though cloudier at times in the west with sunnier intervals. Feeling pleasantly warm in gentle winds. Maximum Temperature 21C.

Tonight 8 Jul Wales

Remaining settled this evening with late sunshine. Turning cloudier overnight with low cloud along the coasts and some drizzle, but most places dry. Winds staying light. Minimum Temperature 10C.

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Oldcastle Temperature Statistics

July Temperature

St-athan (14km)

  • Lowest 3 July, 2025

    10.6 °C

  • Average July

    16.7 °C

  • Highest 1 July, 2025

    21 °C

Climate (2020–Present)

St-athan (14km)

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  • Average Low 2020–2025

    8.7 °C

  • Average 2020–2025

    11.6 °C

  • Average High 2020–2025

    14.4 °C
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