Overview

• Met Office forecasts a warm, sunny Monday with highs widely in the high 20s and around 29–30C in places.
• Regional outlooks point to 28C in Greater Manchester and 26–27C in parts of the North East, with many areas seeing clear skies.
• Private model maps from WXCharts suggest pockets in the South and East could reach 30–31C, including counties such as Kent, Essex and London.
• Conditions begin to deteriorate late Monday as rain reaches Northern Ireland, with heavier bursts pushing west to east on Tuesday.
• Ex‑Hurricane Erin is expected to bring blustery conditions offshore and large western‑coast waves, prompting RNLI rip‑current warnings, while temperatures drift back to average and details remain uncertain.