Port Isaac Weather Forecast

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    • 18

    Cloudy

    • 13
    • 17

    Cloudy

    • 11
    • 16

    Partly cloudy

    • 15
    • 18

    Light rain

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    • 18

    Cloudy

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    • 18

    Overcast

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    • 18

    Cloudy

Today 7 Sep South West England

A rather grey start with some patchy rain or drizzle, especially over hills. Turning brighter towards lunchtime but rain arriving overnight. Feeling a little fresher with temperatures nearer to average. Maximum temperature 22 °C.

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Port Isaac Temperature Statistics

September Temperature

Cardinham (15km)

  • Lowest 1 September, 2026

    10.3 °C

  • Average September

    15.8 °C

  • Highest 3 September, 2026

    21.1 °C

Climate (2021–2026)

Cardinham (15km)

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  • Average Low 2021–2026

    8.2 °C

  • Average 2021–2026

    11.1 °C

  • Average High 2021–2026

    14.2 °C
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