Tuesday 18 August is forecast to be mostly cloudy but mild, with some brighter spells during the morning and temperatures reaching around 21C through the afternoon. The day should stay mainly dry, although the chance of rain increases later in the evening.
Early morning
Tuesday will begin cloudy and mild, with temperatures around 17C at 6am, rising to 18C by 7am and 8am.
There is a 20% chance of rain at 6am and 7am, falling to around 10% by 8am and below 5% by 9am.
Winds will come from the west-south-west and west at around 6mph to 7mph, with gusts increasing from around 19mph to 23mph by 8am.
Visibility will remain very good. Humidity will be high at first, around 86% to 88%, before easing slightly to around 85% by 8am.
Midday
Late morning and lunchtime will be mostly dry, with sunny intervals and some cloud before cloudier conditions return.
Temperatures are forecast to rise from 20C at 10am and 11am to around 21C by midday. The “feels like” temperature will be slightly lower, around 19C.
The chance of rain remains below 5%. Winds will come from the west at around 9mph, with gusts reaching around 26mph to 27mph.
Visibility will stay very good, while humidity will fall from around 71% at 10am to 58% by midday. UV levels will remain moderate, around 3.
Afternoon
The afternoon is expected to be mostly cloudy but mild and largely dry.
Temperatures are forecast to remain around 21C from 1pm through to 4pm. The “feels like” temperature will be around 19C to 20C.
The chance of rain stays below 5% throughout the afternoon. Winds will come from the west or west-north-west at around 8mph to 9mph, with gusts between around 25mph and 27mph.
Visibility will remain very good. Humidity will stay fairly steady at around 55% to 56%. UV levels will be low to moderate, easing later in the afternoon.
Evening
The evening will stay mild and cloudy, with the chance of rain increasing later.
Temperatures are expected to be around 21C at 5pm, falling to 20C by 6pm and 7pm, then 19C by 8pm. It will become cooler later, dropping to 18C at 9pm and 10pm, and 17C by 11pm.
The chance of rain remains below 5% through the early evening, then rises to around 10% at 9pm, 30% by 10pm and 50% by 11pm.
Winds will come mainly from the west-north-west, later turning westerly, easing from around 8mph early in the evening to around 4mph by 11pm. Gusts will fall from around 24mph to 13mph.
Visibility will remain very good throughout. Humidity will rise from around 55% early in the evening to 68% by 11pm.
