Tuesday
Eastern areas will begin the day largely dry with a few brighter spells. However, cloud will steadily increase through the day from the west, winds strengthening to become quite blustery. Heavy rain arrives into the west of Ireland and moves eastward through afternoon, reaching the west of Britain by evening and perhaps earlier. The east of England stays bright all day. Highs of 8C in Scotland (though warmer on the far northeast), up to 13C southeast England.

Tuesday Night
The band of heavy rain sweeps east across the British Isles overnight on a strong westerly wind; a risk of gales along coastal areas. Once the rain has passed, showers will follow onto the western coasts of Ireland and Scotland. A few showers affect northwest England and west Wales as well, but these scattered and lighter. Lows of 5 to 7C for much of Ireland and Britain, but central and southern England stay closer to 9C.

Wednesday
Wednesday starts bright for many; some cloud and perhaps rain in the southeast of England from dawn, but this soon clearing. Staying very windy, particularly in Scotland where gales into the west coast are likely. On the wind, a constant stream of showers will arriving from the west and edge east into central Scotland, showers affecting the west of Ireland as well. Showers scattered in the northwest of England and west Wales too. Away from these areas, the day will be mostly sunny and windy. Highs at 8C Scotland to 12C central and southern areas; eastern parts likely at least a degree warmer.

Thursday
Staying windy with a risk of gales on Thursday. A band of heavy rain in Scotland gradually moves southward through the day. Most west coastal areas from Wales northward will see a near-constant stream of rain most of the day, which gets heavier as the primary band passes southward. The rain only reaching south and east England late in the day, though showery rain may be blown here from the west in the strong wind. Showers follow into northwest Scotland and Ireland upon passage of the rain. Highs at 7C north to 12C south.