Britain to bake in June heatwave with mercury set to rocket to sweltering 34C The Met Office has issued its heatwave verdict as WXCharts weather maps and forecasts show temperatures could soar to 34C amid "very warm or hot conditions" across England and Wales in mid-June 2026 Britain is set for another scorching heatwave with weather maps forecasting highs of 34C next week. Meteorologists expect "very warm or hot conditions" as high pressure sweeps in from the west.
