The Cornwall long range forecast indicates an extreme cold wave, with daytime highs plummeting to -17°, well below the seasonal norm and -5.1 °F lower than the historical average.
The Cornwall long range forecast indicates an extreme cold wave, with daytime highs plummeting to -17°, well below the seasonal norm and -5.1 °F lower than the historical average.
Check out our estimated 30 days weather forecast for Cornwall, this data is based on the average weather in Cornwall in the last few years.
For a more accurate and detailed forecast, check out the 14 day weather for Cornwall next to the desired date.