Cornwall Weather Forecast

    • 5
    • 14

    Showers easing

    • 2
    • 16

    Mostly sunny

    • 3
    • 15

    Partly cloudy

    • 4
    • 13

    Partly cloudy

    • 4
    • 13

    Possible shower

    • 4
    • 14

    Possible shower

    • 5
    • 14

    Shower or two

Today 12 Aug East Coast

Partly cloudy. High chance of showers, most likely in the morning. Winds northwesterly 20 to 30 km/h tending westerly in the morning. Overnight temperatures falling to between 3 and 7 with daytime temperatures reaching between 10 and 15.

Graph Plots Open in Graphs

  • Temperature Forecast Bureau of Meteorology

  • Temperature Real-Time

Cornwall Temperature Statistics View More

August Temperature

St Helens Aerodrome (27km)

  • Lowest 1 August, 2026

    3 °C

  • Average August

    9.3 °C

  • Highest 6 August, 2026

    16.3 °C

Climate (2021–2026)

St Helens Aerodrome (27km)

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

  • Average Low 2021–2026

    9.4 °C

  • Average 2021–2026

    13.4 °C

  • Average High 2021–2026

    18.3 °C
Get WillyWeather+ to remove ads