Thursday 20 August is forecast to be cloudy, cool and unsettled, with the highest chance of rain from late morning through the afternoon. Temperatures are expected to reach around 18C before turning cooler during the evening.
Early morning
Thursday will begin cloudy and fairly cool, with temperatures around 15C at 5am, dipping to 14C at 6am and 7am, before rising to 15C by 8am.
The chance of rain is around 30% at 5am and 6am, rising to 40% by 7am and 8am.
Winds will come from the west-south-west at around 3mph, with gusts between around 11mph and 13mph.
Visibility will remain very good. Humidity will be high early on, around 86%, easing slightly to 84% by 8am.
Midday
Late morning and lunchtime will become more unsettled, with a high chance of rain.
Temperatures are forecast to rise from 17C at 10am to 18C by midday. The “feels like” temperature will be close to the actual temperature, around 17C to 18C.
The chance of rain increases from around 70% at 10am to 90% by 11am and midday.
Winds will come from the west at around 4mph to 5mph, with gusts increasing from around 15mph to 18mph.
Visibility will remain very good, while humidity will stay high, around 72% to 75%. UV levels will remain moderate, around 4 late in the morning and at lunchtime.
Afternoon
The afternoon is expected to remain cloudy and damp, with showers likely at times.
Temperatures are forecast to stay around 18C from 1pm to 3pm, before easing to around 17C by 4pm. The “feels like” temperature will be around 17C to 18C.
The chance of rain remains high, around 90% from 1pm to 2pm, easing slightly to 80% by 3pm and 60% by 4pm.
Winds will turn from north-west to north-north-west and then northerly, around 5mph to 6mph. Gusts are expected to reach around 19mph to 22mph.
Visibility will remain very good, while humidity will stay around 74% to 76%. UV levels will ease from moderate to low later in the afternoon.
Evening
The evening will remain cloudy, with the chance of rain gradually reducing.
Temperatures are expected to be around 17C at 5pm and 6pm, falling to 16C by 7pm and 8pm. It will become cooler later, dropping to 15C by 9pm, 14C by 10pm and 13C by 11pm.
The chance of rain is around 50% at 5pm, 40% at 6pm and 30% from 7pm to 8pm. It then falls to around 10% by 9pm and below 5% from 10pm onwards.
Winds will come from the north-north-east and north, generally around 5mph to 7mph. Gusts will ease from around 22mph early in the evening to around 13mph by 11pm.
Visibility will remain very good throughout. Humidity will stay fairly high, rising from around 68% early in the evening to 74% by 11pm.
