General Synopsis at 12:00hrs for the UK for the next five days: Monday: High pressure to the N and Low to the S. Dry with sunny spells. Cooler where North sea cloud lingers. Average to warm N Yorkshire northwards. Very warm to hot further S. Gentle to moderate breezes. Light breezes Scotland. Tuesday: Little change. Dry with sunny spells. Cooler where N sea cloud hangs on. Warm to very warm N Yorkshire northwards to very warm to hot further S. Light breezes Scotland. Gentle to moderate breezes elsewhere. Wednesday: Low pressure pushing up from NW France with some showers in the S. Dry with sunny spells in remaining areas. Cooler where N sea cloud holds on. Very warm to hot N to S across the country. Light breezes Scotland. Gentle to moderate breezes further S. Thursday: Low pressure over S England with high Pressure to the NE. Showers becoming Thundery later S Yorkshire southwards. Very warm to hot across the UK. Light to gentle breezes. Friday: Low pressure over SE England. Thundery rain from MW England into E Anglia. Showers N Ireland and SW Scotland. Dry and warm E and S of this belt of showers etc. Light to gentle breezes.
Local Summary for the next five days: The heatwave set to continue until Friday when it turns cooler. A bit change in the modelling into a Thundery break down during Thursday evening. Before that dry with sunny spells. North sea cloud still a factor until Thursday. If this hangs around longer than expected or fails to work inland this will have a big effect on the temperatures. So it's possible that temperatures will be cooler than shown or possible higher. Generally very warm overall possibly hot again Thursday. Nights mostly average to rather warm becoming rather warm to warm. Gentle to moderate breezes but easing a little by Thursday.
Sunday evening and night: Barometer at 18:00hrs 1027mb steady. Temperatures 24C to 25C. Winds a gentle ENE breeze. The evening and night dry with sunny spells and clear spells from dusk. North sea cloud reforming later. Winds a gentle NE breeze. Overnight low 10C to 11C so average.
Monday: The new day starts dry, fairly cloudy and fresh. Temperatures 12C to 13C. Winds a gentle NNE breeze. A dry day with sunny spells once any cloud has burnt off. Winds a moderate ENE breeze. Temperatures 25C to 27C so warm to very warm. Barometer at 18:00hrs 1024mb steady. Temperatures 24C to 26C. The evening dry and very warm with sunny spells followed by a dry night with clear spells. North sea cloud rolling in by morning. Winds a gentle NNE breeze. Overnight low 11C to 12C so average.
Tuesday: The new day begins dry and fairly cloudy. Winds a gentle N breeze. Temperatures 14C to 15C. A dry day with sunny spells once the north sea cloud has burnt off. Winds a gentle to moderate ENE breeze. Temperatures 26C to 28C so very warm to hot. Barometer at 18:00hrs 1020mb steady. Temperatures 25C to 27C. A very warm evening with sunny spells. The night dry with clear spells but north sea cloud returning later. Winds a gentle NNE breeze. Overnight low 12C to 13C so average to rather warm.
Wednesday: The new day beginning dry and fairly cloudy. Winds a gentle NE breeze. Temperatures 14C to 16C. A dry day with sunny spells once N sea cloud has burnt off. Winds a gentle to moderate ENE breeze. Temperatures 26C to 27C. So very warm. Barometer at 18:00hrs 1020mb steady. Temperatures 25C to 27C. The evening and night dry, very warm with sunny spells and clear spells from dusk. Winds a light N breeze. Overnight low 13C to 14C so average to rather warm.
Thursday: The starts dry with sunny spells. Winds a gentle NE breeze. Temperatures 16C to 18C A mostly dry day with sunny spells but a small risk of a shower. Winds a gentle ENE breeze. Temperatures 27C to 29C so very warm to hot. Barometer at 18:00hrs 1016mb steady. Temperatures 26C to 28C. The evening very warm to hot with some thundery showers these lasting into the night. Winds a light NNW breeze. Overnight low 15C to 16C so warm.
Friday: The new day dawns damp with light rain. Temperatures 16C to 17C. Winds a light NNW breeze. Rain turning heavy and thundery again before moving SW. Dry in the afternoon with sunny spells. Winds a light to gentle NW breeze. Temperatures 23C to 24C so rather warm to warm. Barometer at 18:00hrs 1016mb steady. Temperatures 22C to 23C. More light rain arriving in the evening. This clearing overnight to clear spells by morning. Winds a light to gentle NW breeze. Overnight low 14C to 16C so rather warm to warm.
Morning temperatures are those at 06:00 Hrs. The Max temperature are those expected over the 24 Hour period. The evening temperatures are those at 18:00hrs. Overnight Min is the low expected overnight normally 03:00hrs but time may vary depending due to changing air masses.