Saturday 22 August is forecast to be cool to mild, mostly cloudy and mainly dry, with temperatures reaching around 20C in the late afternoon. There is only a small chance of rain for most of the day, although cloud will remain fairly persistent.
Early morning
Saturday will begin cool and mostly cloudy, with temperatures around 11C at 5am, dipping to 10C by 6am before rising to 11C at 7am and 12C by 8am.
The chance of rain stays below 5% from 5am to 7am, rising slightly to around 10% by 8am.
Winds will be light, coming mainly from the north-west and north-north-west at around 2mph. Gusts are expected to remain low, between around 8mph and 9mph.
Visibility will remain very good. Humidity will be high at first, around 83%, easing to around 75% by 8am.
Midday
Late morning and lunchtime will stay mostly cloudy with some brighter intervals.
Temperatures are forecast to rise from 15C at 10am to 16C by 11am and 17C by midday. The “feels like” temperature will be very similar, around 15C to 17C.
The chance of rain remains around 10% through late morning and lunchtime.
Winds will remain light, turning from west-north-west to west and west-south-west at around 2mph. Gusts will stay around 9mph.
Visibility will remain very good, while humidity will fall from around 65% at 10am to 56% by midday. UV levels will rise to moderate, reaching around 5 to 6 around lunchtime.
Afternoon
The afternoon is expected to remain mostly cloudy but mild, with a small chance of showers at times.
Temperatures are forecast to reach 18C at 1pm and 2pm, before rising to around 19C by 3pm and 4pm. By 5pm, temperatures are expected to reach around 20C.
The chance of rain is around 20% at 1pm, 10% at 2pm, then around 20% again at 3pm, 4pm and 5pm.
Winds will come mainly from the west, then west-north-west, at around 3mph to 4mph. Gusts are expected to reach around 13mph to 15mph.
Visibility will be very good at first, becoming excellent by mid-afternoon. Humidity will range from around 45% to 54%. UV levels will ease from moderate to low later in the afternoon.
Evening
The evening will stay mostly cloudy and cool, with the chance of rain gradually reducing.
Temperatures are expected to fall from around 19C at 6pm and 7pm to 17C by 8pm. It will become cooler later, dropping to 16C by 9pm, 15C by 10pm and 14C by 11pm.
The chance of rain is around 20% at 6pm and 7pm, then around 10% at 8pm and 9pm, before falling below 5% from 10pm onwards.
Winds will come from the north-west and north-north-west before turning north-easterly later, generally around 3mph to 5mph. Gusts will ease from around 15mph early in the evening to around 10mph by 11pm.
Visibility will remain very good through the evening, while humidity will rise from around 49% at 6pm to 74% by 11pm.
