For Wednesday the predicted weather in Cornwall is partly cloudy. The maximum temperature is a pleasant 21°C (70°F), while the minimum temperature is a cold 11°C (52°F).

Tomorrow's weather - Thursday 1 Oct

For Thursday the forecast for Cornwall is partly cloudy with some rain during the evening. The maximum predicted temperature is a pleasant 21°C (70°F), while the minimum temperature is a mild 16°C (61°F).

10-Day Weather Forecast

In the coming 10 days, the weather in Cornwall will get cooler from 21°C (70°F) down to 15°C (59°F). Daytime highs during this period will average around 16°C (61°F), with nighttime lows around 10°C (50°F). Compared to normal September conditions, this is much cooler than usual. There will be plenty of sunshine throughout this time. Precipitation levels will be a bit less than usual (versus normal September rainfall), with mixed conditions, with some heavy rain showers especially on Fri. Precipitation is likely on about 3 days (Fri, Sun, Mon).

Weather Forecast FAQ for Cornwall

When will be the warmest day next week?

The warmest day is expected to be Thursday with a high of 21°C (70°F).

When will be the coldest day?

The coldest day is forecasted for Wednesday with a low of 4°C (39°F).

Will it rain next week in Cornwall?

Yes, rain is expected on 3 days , specifically on Fri, Sun, Mon.

How much rainfall is expected next week?

A total of 20 mm (0.8 in) of rain is forecasted for the 10-day period.

What will be the temperature range next week?

Temperatures will range from 4°C (39°F) to 21°C (70°F).

More about Cornwall

Explore the full Cornwall climate overview with monthly averages, or check rainfall data and temperature by month.

Cornwall weather by month

Browse monthly averages for Cornwall: climate by month with temperature, rainfall and sunshine.

January February March April May June July August September October November December

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