A maximum of 22.2C today making it the equal warmest day of the year with 19th May.
It occurred around 15:30 as the very thin frontal remnants cleared to the south, and the very gentle onshore SE breeze switched to a F1--2 NW.
Preceded by a very narrow band of thicker cloud associated with the sea breeze front.
Current Pz prom webcam shows the near calm conditions and cloud associated with the sea breeze front just offshore. Glassy sea marks the position of the sea breeze front.
Graham
Penzance