Portsmouth Harbour Entrance Weather Forecast

    • 2
    • 8

    Partly cloudy

    • 1
    • 7

    Cloudy

    • 2
    • 6

    Cloudy

    • 4
    • 7

    Cloudy

    • 6
    • 8

    Overcast

Today 5 Mar London and South East England

A bright but chilly start, with some patches of frost. Patchy cloud developing through the morning, but it should remain largely dry with sunny spells. Maximum Temperature 8C.

Tonight 5 Mar London and South East England

A few light showers across Kent overnight, otherwise it will be a dry night with prolonged clear spells. Cold, with frost and isolated freezing fog patches forming by dawn. Minimum Temperature -2C.

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Portsmouth Harbour Entrance Temperature Statistics

March Temperature

Thorney Island (8.1 miles)

  • Lowest 2 March, 2021

    1.3 °C
  • Average March

    6.1 °C
  • Highest 1 March, 2021

    10.9 °C

Climate (2011–Present)

Thorney Island (8.1 miles)

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  • Average Low 2011–Present

    7.7 °C
  • Average 2011–Present

    11.1 °C
  • Average High 2011–Present

    14.4 °C
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