BRITAIN is to be hit by an unseasonal Spring heatwave - just as millions go into coronavirus lockdown.

Forecasters say a 500 mile-wide 'Portuguese pulse' of warm air will blow in 15C highs across the UK for up to 10 days.

A weather map shows air blowing from Portugal to Britain, with highs climbing to 15C – 4C above average - by Wednesday.

The Met Office predicts mostly dry conditions for 10 days - meaning the isolated can at least enjoy some quality garden time.