Sunday 26 July is forecast to be unsettled at first, with a high chance of rain during the morning before conditions turn drier later in the day. Temperatures are expected to reach around 21C during the afternoon, with breezy westerly winds throughout.
Early morning
Sunday will begin cloudy and damp, with a 70% chance of rain around 6am, 7am and 8am. Temperatures are expected to be around 17C at 6am, rising to 18C by 7am and 8am.
Winds will come from the west-south-west and west at around 6mph to 8mph, with gusts increasing from around 21mph to 26mph.
Visibility will be good during the early morning, while humidity will be high, around 89% at 6am, easing slightly to 86% by 8am.
Midday
Conditions will remain changeable through late morning and lunchtime, with cloud and some brighter spells. The chance of rain is expected to fall to around 30% from 9am to 11am, then around 20% by midday.
Temperatures are forecast to rise from 18C at 9am to 19C by 10am and 11am, before reaching 20C at midday.
Winds will strengthen from the west and west-north-west, increasing from around 9mph to 13mph. Gusts could reach around 29mph to 34mph by late morning and lunchtime.
Visibility should improve to very good from around 10am. Humidity will fall steadily, reaching around 62% by midday. UV levels will rise to moderate levels, reaching 6 by late morning and lunchtime.
Afternoon
The afternoon is expected to be mostly cloudy but largely dry, with the chance of rain falling to around 20% early in the afternoon and then 10% by 3pm and 4pm.
Temperatures are forecast to reach around 20C at 1pm, 2pm and 3pm, before rising slightly to 21C by 4pm.
Winds will remain from the west-north-west at around 11mph, with gusts remaining strong at around 33mph to 34mph. Visibility will stay very good.
Humidity will ease from around 61% early in the afternoon to 54% by 4pm. UV levels will remain moderate, reaching around 6 during the early afternoon before easing later.
Evening
The evening will stay breezy and mostly cloudy, with some brighter spells early on and a rising chance of rain later.
Temperatures are expected to be around 20C at 5pm and 6pm, then 19C by 7pm and 18C by 8pm. It will stay around 17C at 9pm and 10pm, before easing to 16C by 11pm.
The chance of rain is around 10% at 6pm, rising to 30% by 7pm and 50% by 8pm. It is then expected to stay around 40% to 50% later in the evening.
Winds will come from the west-north-west and west at around 9mph to 11mph, with gusts easing from around 32mph early in the evening to around 22mph by 11pm.
Visibility will remain very good throughout the evening, while humidity will rise from around 57% at 6pm to 76% by 11pm.