The temp here has been pegged back by a sea breeze developing in the early afternoon. At a guess the temp has fallen about 3-4c to 18.5c currently, and the muggy air has been swept away. One of the few redeeming features of a sea breeze is that it often blows any developing cu cloud away, ensuring a chilly but fine day. But with the approaching front it is dull and gloomy 
Still, the two preceding days have been very nice 