The weather forecast from the Met Office:

Fine again today, with a good deal of sunshine and a moderate to fresh northerly wind. Temperatures rising to about 17°C.

Dry and fairly bright tomorrow, with variable cloud allowing some sunshine at times. A light to moderate southeast breeze with highs of 16°C. The cloud will thicken overnight with some patchy light rain, then widespread and persistent rain is expected later on Sunday morning and into the afternoon with the rain turning heavy at times.