Chichester Harbour Entrance Weather Forecast

    • 15
    • 18

    Cloudy

    • 17
    • 18

    Overcast

    • 16
    • 18

    Overcast

    • 15
    • 18

    Partly cloudy

    • 13
    • 18

    Cloudy

    • 11
    • 16

    Partly cloudy

    • 11
    • 15

    Sunny day

Today 16 Sep London and South East England

A breezy day with some good sunny spells and patchy cloud, sunshine perhaps becoming hazy during the afternoon as cloud starts to build. Feeling warm in the sunshine Maximum Temperature 20C.

Tonight 16 Sep London and South East England

Some clear spells initially but cloud building from the west through the evening with rain arriving early Wednesday morning. Winds easing for a time but becoming breezy again by dawn. Minimum Temperature 11C.

Graph Plots Open in Graphs

  • Temperature Forecast Met Office

  • Temperature Real-Time

Chichester Harbour Entrance Temperature Statistics

September Temperature

Thorney Island (3km)

  • Lowest 14 September, 2025

    7.3 °C

  • Average September

    16.3 °C

  • Highest 6 September, 2025

    21.7 °C

Climate (2020–Present)

Thorney Island (3km)

Take a look at our website widgetsAvailable free! Find Out More

  • Average Low 2020–2025

    8.6 °C

  • Average 2020–2025

    11.9 °C

  • Average High 2020–2025

    15.1 °C
Get WillyWeather+ to remove ads